libreoffice: Update to 7.5.5.2

* Use gnu++17 instead of c++17. Because c++17 will be replaced with
  gnu++17 with BUILDLINK_TRANSFORM to avoid alloca problem.

Changelog:
7.5.5.2:
Bugs fixed compared to 7.5.5 RC1:

 1. tdf#152575 Comments in margin missing depending on combination of settings
    in Print and PDF export dialogs (see comment 14) [Samuel Mehrbrodt]
 2. tdf#153517 CALC - wrong time value when using the autofill function and
    minutes are entered (not for 00 min) [Eike Rathke]
 3. tdf#153804 Footnotes disappear or move in docx file [L??szl?? N??meth]
 4. tdf#155462 Scrollbar tooltips not shown anymore when dragging thumb;
    ShowScrollBarTips option doesn't work [Mike Kaganski]
 5. tdf#156077 Hidden frames in document [Michael Stahl]

7.5.5.1:
Bugs fixed compared to 7.5.4 RC2:

 1. tdf#64830 RTL: LibreOffice requires duplicated hunspell dictionaries for
    each Arabic locale [???? ????, Khaled Hosny]
 2. tdf#73483 FORMATTING: "Clear direct formatting" deletes page breaks but
    this does not show up until file is reopened [Mike Kaganski]
 3. tdf#92824 Limit the number of context menu spellcheck/autocorrect
    suggestions [L??szl?? N??meth]
 4. tdf#100680 FILEOPEN DOCX Image anchored as character + long word wrapped
    differently [Justin Luth]
 5. tdf#104704 LAYOUT DOC/DOCX: Table in footer hides text in the following
    footer paragraph (fixed by re-layout) [Justin Luth]
 6. tdf#107718 Some of old Hangul not rendering faithfully in vertical layout
    [Khaled Hosny]
 7. tdf#122081 Crash in SwFrame::FindFootnoteBossFrame(bool) [Caol??n McNamara]
 8. tdf#122676 FORMATTING Currency Negative Values does not Correctly Apply (*)
    with a Space [Czeber L??szl?? ?d??m]
 9. tdf#125154 writer calculation using variable within table does not work
    with formated numbers [Michael Stahl]
10. tdf#138279 Unable to add a textbox to chart [Justin Luth]
11. tdf#139863 Grantha consonants combining with Vedic svara markers are not
    displayed correctly [Khaled Hosny]
12. tdf#143877 [EMF+] Missing EmfPlusDrawCurve implementation (it is using
    cardinal spline) [Xisco Fauli, Bartosz Kosiorek]
13. tdf#145651 FILESAVE OOXML write error if using default colour for chart
    legend background from sidebar [T??nde T??th]
14. tdf#145896 Bad SVG interpretation [Xisco Fauli]
15. tdf#145998 Page styles in docx-file revert to previous settings after
    reopening the document [Justin Luth]
16. tdf#146626 Crash in macOS Calc on font size operation on multi-monitor
    setup [Patrick Luby]
17. tdf#148142 "On tick marks" option of x-axis formatting in LibreOffice Calc
    is not saved [T??nde T??th]
18. tdf#149297 EDITING: Text selection in vertical text positioned incorrectly
    [Khaled Hosny]
19. tdf#150606 Undo of table in columns adds multiple additional pages + broken
    layout [Michael Stahl]
20. tdf#151968 Squiggly lines cover misspelled Arabic words [???? ????, Khaled
    Hosny]
21. tdf#151987 After deleting a sort list, the default sort lists are added
    again every time Calc starts [Mike Kaganski]
22. tdf#152037 Data validation error when entering correct text length in XLSX
    file [Czeber L??szl?? ?d??m]
23. tdf#152046 DOCX Incorrect document layout [Justin Luth]
24. tdf#152048 Wrong rendering of underline for justified Arabic/Persian text
    with kashida [Khaled Hosny]
25. tdf#152983 crash in layout with chained text frames anchored in footer
    [Michael Stahl]
26. tdf#153040 PDF Export: SDT Dropdown List is empty [Justin Luth]
27. tdf#153317 MySQL/MariaDB direct connection: Content of field type 'Bit'
    isn't shown in Tools ?? SQL [Julien Nabet]
28. tdf#153437 Cancelling insertion of a line insert a shift after column I
    [Czeber L??szl?? ?d??m]
29. tdf#153440 Unexpected behavior when typing Emojis in RTL paragraph [Khaled
    Hosny]
30. tdf#153972 Calc Autofilter can't select background colour when all cells in
    the filtered column have no content [Samuel Mehrbrodt]
31. tdf#154168 FILESAVE: Export selection to .PNG without transparency fails
    [Paris Oplopoios]
32. tdf#154174 Empty edit cell after fill [Czeber L??szl?? ?d??m]
33. tdf#154349 Cannot set certain decimal values for character style font body
    size [Mike Kaganski]
34. tdf#154477 Color attribute set by colorscale conditional format not copied
    to HTML [Henry Castro]
35. tdf#154547 Hebrew fonts in drop-down list don't show the full expected
    phrase [Khaled Hosny]
36. tdf#155182 XHTML-Export: Min-Width is set to 0cm together with bullets
    [Franklin Weng]
37. tdf#155190 FILESAVE Acrobat Accessibility checker reports "Associated with
    content" error in alternative text check [Michael Stahl]
38. tdf#155244 Blue background when exporting spreadsheet as XHTML [Svante
    Schubert]
39. tdf#155319 Data bars appear incorrectly after copying [Tibor Nagy]
40. tdf#155321 FILEOPEN XLSX Colour scale changes colour on import [Tibor Nagy]
41. tdf#155324 updating ToX inserts wrong (too large) page numbers [Michael
    Stahl]
42. tdf#155368 Can't toggle Wrap Text on all cells if a cell already has it
    [Noel Grandin]
43. tdf#155369 Formula Calculation: Indirect() returns #REF! [Dennis Francis]
44. tdf#155387 ReqIF export produces invalid XML (too many closing li elements)
    for a list [Mike Kaganski]
45. tdf#155393 Crash in SfxShell::GetViewShell() [Jim Raykowski]
46. tdf#155407 Incorrect autocorrection of double dashes in a specific
    situation [Mike Kaganski]
47. tdf#155410 Scrolling is much slower in Writer 7.5 with gtk3 VCL in a
    document with lots of SVG and PNG images [Noel Grandin]
48. tdf#155443 MySQL/MariaDB direct connection: Impossible to change a field
    name in a table. [Julien Nabet]
49. tdf#155465 FILESAVE DOC: Saving as doc file would make the paragraph
    justified effects not worked [Justin Luth]
50. tdf#155496 ReqIF export produces invalid XML (unmatched closing elements)
    for a list with subheader [Mike Kaganski]
51. tdf#155514 VIEWING: Combination of unicode Devanagari UDATTA and ANUDATTA
    with Telugu characters results in dotted circle [Khaled Hosny]
52. tdf#155542 checkGlyphsEqual assert on IS_UNSAFE_TO_BREAK inconsistency seen
    in crashtesting [Khaled Hosny]
53. tdf#155611 Wrong layout and crash closing text documents with nested
    sections and tables in 7.5.3 [Mike Kaganski]
54. tdf#155647 Proofreading (grammar checking) does not work in version 7.5.4
    [Mike Kaganski]
55. tdf#155685 CRASH: after undoing deletion with extended select all and table
    at end [Michael Stahl]
56. tdf#155690 FILEOPEN DOCX Bookmark in the first table of a page starts one
    letter later than in Word [Michael Stahl]
57. tdf#155733 SVG: Mask applied to the wrong object [Xisco Fauli]
58. tdf#155750 Error activating object General OLE error, private:factory/scalc
    as floating frame target [Caol??n McNamara]
59. tdf#155819 SVG: marker not displayed [Xisco Fauli]
60. tdf#155823 A specific list item does not continue numbering after
    save-and-reload since 7.4 [Mike Kaganski]
61. tdf#155833 svg import inverses rows of checkerboard colored image [Xisco
    Fauli]
62. tdf#155863 The image stays cropped, but stretches to the size of original
    image, thus becomes distorted. [Tibor Nagy]
63. tdf#155939 LibreOffice-7.5.4.2 Writer hangs when changing language of text
    [Michael Stahl]
64. tdf#156016 FILEOPEN: SVG: General Error opening file [Paris Oplopoios]
65. tdf#156050 Multiple squiggly lines under misspelled words in text boxes
    [Khaled Hosny]


(ryoon)