diff -r 6f265223b5fa -r 644c9acc640c src/newgrf_industries.h
--- a/src/newgrf_industries.h	Sun Sep 23 19:27:35 2007 +0000
+++ b/src/newgrf_industries.h	Sun Sep 23 19:55:42 2007 +0000
@@ -21,7 +21,7 @@
 /* in newgrf_industry.cpp */
 uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available);
 uint16 GetIndustryCallback(CallbackID callback, uint32 param1, uint32 param2, Industry *industry, IndustryType type, TileIndex tile);
-uint32 GetIndustryIDAtOffset(TileIndex new_tile, TileIndex old_tile, const Industry *i);
+uint32 GetIndustryIDAtOffset(TileIndex new_tile, const Industry *i);
 void IndustryProductionCallback(Industry *ind, int reason);
 bool CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint itspec_index);
 bool CheckIfCallBackAllowsAvailability(IndustryType type, IndustryAvailabilityCallType creation_type);