[gtk+] Include gtkx.h here

[Matthias Clasen <matthiasc src gnome org>]

commit 0c2e16f04b11a2982588a396e66908e1e6b6bd4e
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jan 30 01:45:18 2011 -0500

    Include gtkx.h here
    
    When building under X11, gtktypefuncs.c includes references to gdk
    X11 backend functions, so we need to include the header.

 gtk/gtktestutils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktestutils.c b/gtk/gtktestutils.c
index 30d03d7..b6826d8 100644
--- a/gtk/gtktestutils.c
+++ b/gtk/gtktestutils.c
@@ -21,7 +21,7 @@
 
 #include "config.h"
 
-#include <gtk/gtk.h>
+#include <gtk/gtkx.h>
 #include "gtkspinbutton.h"
 
 #include <locale.h>