[gtk+] Silence compiler warnings

[Matthias Clasen <matthiasc src gnome org>]

commit d83e684b1fb91259582dcc9bab3ba2a1cc479fcf
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 16 18:13:31 2014 -0400

    Silence compiler warnings

 gtk/gtkcssenginevalue.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcssenginevalue.c b/gtk/gtkcssenginevalue.c
index 08575b2..7038bd0 100644
--- a/gtk/gtkcssenginevalue.c
+++ b/gtk/gtkcssenginevalue.c
@@ -17,6 +17,7 @@
 
 #include "config.h"
 
+#define GDK_DISABLE_DEPRECATION_WARNINGS
 #include "gtkcssenginevalueprivate.h"
 
 #include "gtkstylepropertyprivate.h"