[libslab] Don't forget to include dependencies

[Federico Mena Quintero <federico src gnome org>]

commit 33250ab06ee559e3e14d5b56f0c0885f58fa838d
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Jul 1 12:56:47 2009 +0200

    Don't forget to include dependencies

 libslab/app-shell.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libslab/app-shell.h b/libslab/app-shell.h
index 10e365a..0be9a8b 100644
--- a/libslab/app-shell.h
+++ b/libslab/app-shell.h
@@ -25,6 +25,7 @@
 #include <gtk/gtk.h>
 #define GMENU_I_KNOW_THIS_IS_UNSTABLE
 #include <gmenu-tree.h>
+#include <libgnome/gnome-desktop-item.h>
 
 #include <libslab/slab-section.h>
 #include <libslab/tile.h>