--- a/command.h	Sat Jan 22 19:41:30 2005 +0000
+++ b/command.h	Sat Jan 22 20:23:18 2005 +0000
@@ -183,6 +183,6 @@
 int32 DoCommandByTile(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc);
 
 bool IsValidCommand(uint cmd);
-int32 GetAvailableMoneyForCommand();
+int32 GetAvailableMoneyForCommand(void);
 
 #endif /* COMMAND_H */