$OpenBSD: patch-src_synfigapp_action_system_h,v 1.1 2015/09/24 10:40:16 ajacoutot Exp $

Fix build with libsigc++ >= 2.6.0.

--- src/synfigapp/action_system.h.orig	Thu Jul  9 09:33:04 2015
+++ src/synfigapp/action_system.h	Thu Sep 24 11:06:18 2015
@@ -29,7 +29,6 @@
 
 #include "action.h"
 #include <sigc++/signal.h>
-#include <sigc++/object.h>
 #include <ETL/handle>
 #include <synfig/canvas.h>
 #include "uimanager.h"
