[gtk+] Created tag 2.21.4

[Matthias Clasen <matthiasc src gnome org>]

The unsigned tag '2.21.4' was created.

Tagger: Matthias Clasen <mclasen redhat com>
Date: Tue Jun 29 22:35:34 2010 -0400

    GTK+ 2.21.4

Changes since the last tag '2.21.3':

Colin Walters (1):
      Support NOCONFIGURE (from gnome-common)

John Ralls (1):
      Bug 622333 - Crash in gdk_window_impl_quartz_begin_paint_region

Kristian Rietveld (5):
      Add gray visual, implement "get_best" functions
      Rework color translation to support gray scale and bitmaps
      Flip clip mask image when setting clip mask on GC
      Refactor to use API that's available in OS X 10.4 as well
      Move Leopard-specific type definitions to gdkquartz.h

Matthias Clasen (6):
      Bump version
      Fix dynamic module check
      Silence the build
      Make sure we always include gdk-pixbuf in the gdk requires
      Revert commit a9b778931c6ba0d1bb37eb29b5ec13dc76339820
      Update NEWS for GTK+ 2.21.4

Philip Withnall (1):
      Add allow-none to gdk_window_set_cursor()