openttd updated to 1.5.0-beta2

--HG--
branch : openttd

src/progress.cpp

@@ -1,4 +1,4 @@
-/* $Id: progress.cpp 23740 2012-01-03 21:32:51Z rubidium $ */
+/* $Id: progress.cpp 26482 2014-04-23 20:13:33Z rubidium $ */
 
 /*
  * This file is part of OpenTTD.
@@ -12,6 +12,8 @@
 #include "stdafx.h"
 #include "thread/thread.h"
 
+#include "safeguards.h"
+
 /** Are we in a modal progress or not? */
 bool _in_modal_progress = false;
 bool _first_in_modal_loop = false;