[gtk+] Trivial typo fix

[Matthias Clasen <matthiasc src gnome org>]

commit 8a42bb69aa871c5374532b5b8cd05135daede793
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jan 4 14:11:55 2014 -0500

    Trivial typo fix

 gdk/gdkwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index d1216b3..0f59c56 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -5783,7 +5783,7 @@ gdk_window_set_background_rgba (GdkWindow     *window,
  * Sets the background of @window.
  *
  * A background of %NULL means that the window will inherit its
- * background form its parent window.
+ * background from its parent window.
  *
  * The windowing system will normally fill a window with its background
  * when the window is obscured then exposed.