Update to gtk2+-2.12.11.
Overview of Changes from GTK+ 2.12.10 to 2.12.11
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* Bugs fixed:
536757 regression: openoffice.org menus are placed at wrong
        position since 2.12.10
536990 updateiconcache.c: 'close ()' is redundant
508751 gnome-terminal crashed with SIGSEGV after keypress
419737 The file chooser clears the filename entry in SAVE/CREATE_FOLDER
        modes when it shouldn't.
538784 Don't change the filename in the name entry in CREATE_FOLDER mode
        when changing folders
536966 Paper selector crashes
352738 gtk_tree_view_column_set_sort_indicator() fails to show a...
378158 gdk_win32_selection_add_targets uses uninitialized hwnd v...
537685 print to file crashes when the target can not be written

(tnn)