[gtk+] Add missing cairo_destroy() call

[Benjamin Otte <otte src gnome org>]

commit 11ee2abaccb8102abd2bdf92d1844eba6d71ab1a
Author: Kristian Rietveld <kris gtk org>
Date:   Sun Aug 8 18:02:35 2010 +0200

    Add missing cairo_destroy() call

 gtk/gtkcolorbutton.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index 24bb047..d977081 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -315,6 +315,8 @@ expose_event (GtkWidget      *widget,
       cairo_pattern_destroy (checkered);
     }
 
+  cairo_destroy (cr);
+
   return FALSE;
 }