[gtk+] gtk-demo: Include config.h first

[Matthias Clasen <matthiasc src gnome org>]

commit 265e617f0ae28572fe1295f941b71a7f2821583c
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 5 12:16:51 2013 -0400

    gtk-demo: Include config.h first
    
    If config.h is included after gdkversionmacros.h, _GDK_EXTERN
    gets redefined and cpp doesn't like that.

 demos/gtk-demo/appwindow.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/demos/gtk-demo/appwindow.c b/demos/gtk-demo/appwindow.c
index 849a3f1..df4d06b 100644
--- a/demos/gtk-demo/appwindow.c
+++ b/demos/gtk-demo/appwindow.c
@@ -5,9 +5,10 @@
  * This example uses GtkUIManager and GtkActionGroup.
  */
 
-#include <gtk/gtk.h>
 #include "config.h"
 
+#include <gtk/gtk.h>
+
 static GtkWidget *window = NULL;
 static GtkWidget *infobar = NULL;
 static GtkWidget *messagelabel = NULL;