Log Message:
Update to 2.8.8:

Overview of Changes from GTK+ 2.8.7 to GTK+ 2.8.8
=================================================
* GtkFileChooser
 - Make F2 work for renaming bookmarks [Jaap A. Haitsma,
   Paolo Borelli]
* GtkEntry
 - Turn off input methods in password entries [James Su]
* Win32 changes
 - Various visual improvements to the ms-windows
   theme [Dom Lachowicz]
 - Rework window decoration handling [Tor Lillqvist]
 - Fix localized weekday and month names in GtkCalendar [Tor]
 - Make urgency hint work on NT4 [Tor]
* Other fixes [Arjan van de Ven, Philip Langdale, Jens
  Granseuer, Bogdan Nicula, Benedikt Meurer, Michael
  Natterer, Kazuki Iwamoto, Paolo Borelli, Søren Sandmann,
  Jean-Yves Lefort, Milosz Derezynski, Tze'ela Hebron]
* Documentation improvements [Elie De Brauwer]
* Updated translations (be,hu,sk,th,wa)