news/tin: Update to 2.4.5

Removed POSIX shell patch (merged upstream).
Removed libcanlock patches (now supported via pkg-config).

-- 2.4.5 release 20201224 "Glen Albyn" --

022) Dennis Preiser <dennis@d--p.de>
      BUG. 'B'ody and '/'article search with wildcard matching (wildcard=0)
          didn't work
      BUG. convert_tex2iso with UTF-8 as local charset did map "O to wrong
          char
      BUG. missing termination of conversion table for convert_tex2iso
      BUG. avoid possible endless loop in search_group
      BUG. tin_ltoa in some cases returned an error where it shouldn't
      BUG. 'T'ag all parts of multipart message didn't work with thread_arts
          4 (multipart) or 5 (percentage)
      BUG. hung on empty (lone '.') positive (220) response to ARTICLE command
      ADD. make {Group,Thread}TagParts 'T' toggle like 't'ag
      ADD. don't show mime parse error for missing end marker if not running
          in debug mode
      ADD. increase hash-table sizes
      ADD. speed up multipart threading
      ADD. multipart tagging ThreadTagParts 'T' to thread level
      ADD. reduce memory usage by struct reordering to avoid padding
      ADD. GNKSA_MISSING_REALNAME return code for filtering
      REM. redundant conde
      FIX. art.c, charset.c, group.c, hashstr.c, help.c, keymap.c, lang.c
          misc.c, page.c, refs.c, rfc2046.c, screen.c, search.c, string.c
          tags.c, thread.c, wildmat.c, extern.h, keymap.h, proto.h, tin.h
          tin.[15]

021) Thomas E. Dickey <dickey@invisible-island.net>
      ADD. update configure macros
      ADD. fallback to the bundled pcre if required
      ADD. prefer systemwide libcanlock over bundled one
      FIX. aclocal.m4, configure[.in], Makefile.[in], tin.h

020) Urs Janssen <urs@tin.org>
      ADD. config.guess, config.sub update
      ADD. document strip_re_regex, strip_was_regex and col_message in manpage
      ADD. configure check for fchmod(2) and fallback to chmod(2) if system
          lacks it (e.g. Interactive UNIX)
      ADD. speed up filter on Path:-header
      ADD. allow abortion of subject/author search in group level
      ADD. allow abortion of filtering
      ADD. raise default max length for numbers in prompts from 6 to 10 digits
      ADD. restrict multipart detection to messages with more than 1 part
      ADD. show an error message if append_mail() fails
      ADD. allow path for posted_articles_file
      ADD. document gnksa-parser return codes in tin(5)
      ADD. center_line() now does BiDi
      ADD. don't fail on GNKSA_MISSING_REALNAME when posting
      ADD. GNKSA_RANGLE_MISSING (104) error code to gnksa-filter
      BUG. when $TIN_INDEX_NEWSDIR was used INDEX_NEWSDIR was
          automatically appended to the string, but for the '-I' cmd.line it
          wasn't, now '-I' behaves exactly like $TIN_INDEX_NEWSDIR
      REM. redundant condition
      FIX. art.c, attrib.c, config.c, debug.c, filter.c, getline.c, inews.c
          init.c, lang.c, main.c, makecfg.c, memory.c, misc.c, newsrc.c
          nrctbl.c, options_menu.c, post.c, read.c, save.c, screen.c
          search.c, tags.c, thread.c, tmpfile.c, extern.h, proto.h, tin.h
          tin.[15], configure[.in], autoconf.h[in], config.guess, config.sub
          en_GB.po, keymap.sample

019) Matt Anton <tin@lv223.org>
      ADD. updated french translation
      FIX. fr.po

018) Toomas Soome <tsoome@me.com>
      ADD. updated estonian translation
      FIX. et.po

(micha)