--- a/src/cargotype.h	Fri Apr 13 17:15:06 2007 +0000
+++ b/src/cargotype.h	Fri Apr 13 19:32:18 2007 +0000
@@ -58,6 +58,7 @@
 const CargoSpec *GetCargo(CargoID c);
 /* Get the cargo ID with the cargo label */
 CargoID GetCargoIDByLabel(CargoLabel cl);
+CargoID GetCargoIDByBitnum(uint8 bitnum);
 
 static inline bool IsCargoInClass(CargoID c, uint16 cc)
 {