[gtk+] Fix the build on Solaris

[Matthias Clasen <matthiasc src gnome org>]

commit 1bb7e28c90b4180301bb05bae5fa89a27ca273bb
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 25 23:13:42 2012 -0400

    Fix the build on Solaris
    
    http://bugzilla.gnome.org/show_bug.cgi?id=663991

 gtk/gtksearchenginesimple.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtksearchenginesimple.c b/gtk/gtksearchenginesimple.c
index 1905f42..8d0e07f 100644
--- a/gtk/gtksearchenginesimple.c
+++ b/gtk/gtksearchenginesimple.c
@@ -26,8 +26,8 @@
  * export ftw() and friends only if _XOPEN_SOURCE and _GNU_SOURCE
  * are defined. see bug #444097.
  */
-#define _XOPEN_SOURCE 500
-#define _GNU_SOURCE 
+#define _XOPEN_SOURCE 600
+#define _GNU_SOURCE
 
 #ifdef HAVE_FTW_H
 #include <ftw.h>