[gtk+] css shadow: Fix memory leak

[Matthias Clasen <matthiasc src gnome org>]

commit 1f2ed31f2897f3611124959f786b85271260eeb8
Author: Pavel Vasin <rat4vier gmail com>
Date:   Wed Aug 21 14:56:21 2013 +0400

    css shadow: Fix memory leak
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706493

 gtk/gtkcssshadowvalue.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcssshadowvalue.c b/gtk/gtkcssshadowvalue.c
index de34599..cdfd852 100644
--- a/gtk/gtkcssshadowvalue.c
+++ b/gtk/gtkcssshadowvalue.c
@@ -714,6 +714,8 @@ _gtk_css_shadow_value_paint_box (const GtkCssValue   *shadow,
       cairo_clip (cr);
       draw_shadow (shadow, cr, &box, &clip_box, FALSE);
       cairo_restore (cr);
+
+      cairo_region_destroy (remaining);
     }
 
   cairo_restore (cr);