Log Message:
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