[gtk+] cssimage: Plug a small memory leak

[Timm Bäder <baedert src gnome org>]

commit 848d55a187e585a6392ebdd7ba41c2bd1db054e0
Author: Timm Bäder <mail baedert org>
Date:   Fri Feb 17 15:08:02 2017 +0100

    cssimage: Plug a small memory leak

 gtk/gtkcssimage.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcssimage.c b/gtk/gtkcssimage.c
index bcf22f8..60a3f49 100644
--- a/gtk/gtkcssimage.c
+++ b/gtk/gtkcssimage.c
@@ -116,6 +116,8 @@ gtk_css_image_real_draw (GtkCssImage *image,
       gsk_render_node_draw (node, cr);
       gsk_render_node_unref (node);
     }
+
+  cairo_region_destroy (clip);
 }
 
 static void