[gtk+/client-side-windows] Remove old obsolete comment

[Alexander Larsson <alexl src gnome org>]

commit 7969c1842a012f9a39d5eb3ba5113689937ee801
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Jun 24 20:35:15 2009 +0200

    Remove old obsolete comment

 gdk/gdkgc.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkgc.c b/gdk/gdkgc.c
index 78967ff..b4c6f81 100644
--- a/gdk/gdkgc.c
+++ b/gdk/gdkgc.c
@@ -619,7 +619,6 @@ _gdk_gc_set_clip_region_internal (GdkGC     *gc,
 }
 
 
-/* returns old clip region */
 void
 _gdk_gc_add_drawable_clip (GdkGC     *gc,
 			   guint32    region_tag,