--- a/src/industry.h	Wed May 07 08:38:56 2008 +0000
+++ b/src/industry.h	Wed May 07 09:07:19 2008 +0000
@@ -15,6 +15,7 @@
 #include "date_type.h"
 #include "town_type.h"
 #include "industry_type.h"
+#include "landscape_type.h"
 
 enum {
 	INVALID_INDUSTRY       = 0xFFFF,