[gtk+] Avoid deprecation warnings

[Matthias Clasen <matthiasc src gnome org>]

commit f9a0a96eb47099a5de16102404baea724ffdffe1
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 13 08:45:35 2014 -0400

    Avoid deprecation warnings
    
    This is testing deprecated API, after all...

 tests/testnumerableicon.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tests/testnumerableicon.c b/tests/testnumerableicon.c
index 67656cd..61bef1b 100644
--- a/tests/testnumerableicon.c
+++ b/tests/testnumerableicon.c
@@ -20,6 +20,7 @@
 #include <gtk/gtk.h>
 #include "prop-editor.h"
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 
 typedef struct {
   GIcon *numerable;