--- a/userguide/src/HelpCategoryView.cpp	Fri Jun 11 16:23:42 2010 +0100
+++ b/userguide/src/HelpCategoryView.cpp	Thu Jul 22 16:30:58 2010 +0100
@@ -25,6 +25,7 @@
 #include <hbtreeview.h>
 #include <hbscrollbar.h>
 #include <hbmenu.h>
+#include <hbtoolbar.h>
 
 #include "HelpDataProvider.h"