[gtkmm] CellRendererPixbuf: Add the surface property.

[Murray Cumming <murrayc src gnome org>]

commit ba4e9628c58ff6c34b1ffc6429614903d3ca2853
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Jul 26 11:06:16 2013 +0200

    CellRendererPixbuf: Add the surface property.

 gtk/src/cellrendererpixbuf.hg |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/src/cellrendererpixbuf.hg b/gtk/src/cellrendererpixbuf.hg
index 94801f4..0d26ca0 100644
--- a/gtk/src/cellrendererpixbuf.hg
+++ b/gtk/src/cellrendererpixbuf.hg
@@ -52,6 +52,7 @@ public:
   _WRAP_PROPERTY("icon-name", Glib::ustring)
   _WRAP_PROPERTY("follow-state", bool)
   _WRAP_PROPERTY("gicon", Glib::RefPtr<Gio::Icon>)
+  _WRAP_PROPERTY("surface", ::Cairo::RefPtr< ::Cairo::Surface>)
 
   virtual Glib::PropertyProxy_Base _property_renderable();
 };