--- a/src/newgrf_house.h	Mon Mar 17 22:13:00 2008 +0000
+++ b/src/newgrf_house.h	Tue Mar 18 12:28:21 2008 +0000
@@ -26,7 +26,7 @@
 	uint8  class_id;  ////< The class id within the grf file
 };
 
-void CheckHouseIDs();
+void UpdateHousesAndTowns();
 
 HouseClassID AllocateHouseClassID(byte grf_class_id, uint32 grfid);