[gtk+] tests: Avoid deprecation warning

[Benjamin Otte <otte src gnome org>]

commit e937d0613d4a41d6502a47b3e980f9621e5d81d2
Author: Benjamin Otte <otte redhat com>
Date:   Sun Dec 18 20:25:23 2011 +0100

    tests: Avoid deprecation warning

 tests/a11y/children.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/a11y/children.c b/tests/a11y/children.c
index 4b76165..6d4eb84 100644
--- a/tests/a11y/children.c
+++ b/tests/a11y/children.c
@@ -20,6 +20,8 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#define GDK_DISABLE_DEPRECATION_WARNINGS
+
 #include <gtk/gtk.h>
 #include <string.h>