[gnome-session] Include config.h

[Matthias Clasen <matthiasc src gnome org>]

commit a29df19614f890d638422410313b26624535bdd6
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 27 00:19:35 2011 -0400

    Include config.h
    
    One should always do that...

 gnome-session/gsm-shell-extensions.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gnome-session/gsm-shell-extensions.c b/gnome-session/gsm-shell-extensions.c
index 60eaf2f..e9ba286 100644
--- a/gnome-session/gsm-shell-extensions.c
+++ b/gnome-session/gsm-shell-extensions.c
@@ -21,6 +21,8 @@
  *      Jasper St. Pierre <jstpierre mecheye net>
  */
 
+#include <config.h>
+
 #include <glib.h>
 #include <gio/gio.h>
 #include <json-glib/json-glib.h>