--- a/economy.h	Sat Nov 12 11:10:12 2005 +0000
+++ b/economy.h	Sun Nov 13 13:43:55 2005 +0000
@@ -60,7 +60,7 @@
 
 
 VARDEF Subsidy _subsidies[MAX_PLAYERS];
-Pair SetupSubsidyDecodeParam(Subsidy *s, bool mode);
+Pair SetupSubsidyDecodeParam(const Subsidy* s, bool mode);
 void DeleteSubsidyWithIndustry(uint16 index);
 void DeleteSubsidyWithStation(uint16 index);