[gtk+] GtkColorButton: Don't forget to close a cairo context

[Matthias Clasen <matthiasc src gnome org>]

commit 144e4af8bc583af536851bf6b11daaad8b5e4435
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Aug 24 07:46:35 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 5f13c54..72e4ddb 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -336,6 +336,8 @@ gtk_color_button_draw_cb (GtkWidget *widget,
       cairo_pattern_destroy (checkered);
     }
 
+  cairo_destroy (cr);
+
   return FALSE;
 }