[gtk+/gtk-2-24] GtkColorButton: Don't forget to close a cairo context

[Matthias Clasen <matthiasc src gnome org>]

commit 89d217c90a050340c65777a34b7db8c2f27d4491
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 27 01:52:24 2011 -0400

    GtkColorButton: Don't forget to close a cairo context
    
    Patch by Jerome Lambourg, bug 655392.

 gtk/gtkcolorbutton.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index c640b96..2265081 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -317,6 +317,8 @@ expose_event (GtkWidget      *widget,
       cairo_pattern_destroy (checkered);
     }
 
+  cairo_destroy (cr);
+
   return FALSE;
 }