diff -r 3b068c3a1c74 -r 0fa543611bbe src/yapf/yapf.hpp
--- a/src/yapf/yapf.hpp	Thu Apr 19 14:48:10 2007 +0000
+++ b/src/yapf/yapf.hpp	Tue Jun 12 11:56:35 2007 +0000
@@ -17,6 +17,7 @@
 #include "../vehicle.h"
 #include "../date.h"
 #include "../functions.h"
+#include "../landscape.h"
 #include "yapf.h"
 #include "../pathfind.h"
 #include "../waypoint.h"