diff -p -up ./lib/prefs.c.orig ./lib/prefs.c
--- ./lib/prefs.c.orig	2012-08-19 08:28:55.048584691 +0000
+++ ./lib/prefs.c	2012-08-19 08:30:05.512616674 +0000
@@ -27,7 +27,7 @@
 
 #include <string.h>
 #include <gtk/gtk.h>
-#include <libxfcegui4/libxfcegui4.h>
+#include <libxfce4ui/libxfce4ui.h>
 
 #include "common.h"
 #include "prefs.h"