[gtk+] Plug memory leak in GtkWindow

[Benjamin Otte <otte src gnome org>]

commit 71b4d83144a3111d54143031b11b1087396deca7
Author: Xan Lopez <xan gnome org>
Date:   Sun Oct 10 18:18:27 2010 +0900

    Plug memory leak in GtkWindow
    
    1,936 (112 direct, 1,824 indirect) bytes in 4 blocks are definitely lost in loss record 13,453 of 13,673
        at 0x4005BDC: malloc (vg_replace_malloc.c:195)
        by 0x69615A1: cairo_region_create (cairo-region.c:196)
        by 0x683BFBF: gdk_cairo_region_create_from_surface (gdkcairo.c:455)
        by 0x670C882: set_grip_shape (gtkwindow.c:5020)
        by 0x670CFBF: resize_grip_create_window (gtkwindow.c:5271)
        by 0x670C466: gtk_window_realize (gtkwindow.c:4902)
    
    Signed-off-by: Benjamin Otte <otte redhat com>

 gtk/gtkwindow.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 03e096c..4103ef6 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -5021,6 +5021,7 @@ set_grip_shape (GtkWindow *window)
   cairo_surface_destroy (surface);
 
   gdk_window_shape_combine_region (priv->grip_window, region, 0, 0);
+  cairo_region_destroy (region);
 }
 
 static void