--- Source/WebKit/gtk/WebCoreSupport/AcceleratedCompositingContextGL.cpp~	2013-09-15 14:15:23.000000000 +0400
+++ Source/WebKit/gtk/WebCoreSupport/AcceleratedCompositingContextGL.cpp	2013-09-19 14:34:54.261021983 +0400
@@ -44,6 +44,7 @@
 
 #if PLATFORM(X11) && defined(GDK_WINDOWING_X11)
 #include <gdk/gdkx.h>
+#include "GtkVersioning.h"
 #endif
 
 const double gFramesPerSecond = 60;