(svn r15326) -Fix: Old-ai-ishm when refitting vehicles.

src/aircraft_cmd.cpp

@@ -570,7 +570,7 @@ CommandCost CmdRefitAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2,
 	_returned_refit_capacity = pass;
 
 	CommandCost cost;
-	if (IsHumanCompany(v->owner) && new_cid != v->cargo_type) {
+	if (new_cid != v->cargo_type) {
 		cost = GetRefitCost(v->engine_type);
 	}
 

src/roadveh_cmd.cpp

@@ -2071,7 +2071,7 @@ CommandCost CmdRefitRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2,
 
 		total_capacity += capacity;
 
-		if (IsHumanCompany(v->owner) && new_cid != v->cargo_type) {
+		if (new_cid != v->cargo_type) {
 			cost.AddCost(GetRefitCost(v->engine_type));
 		}
 

src/ship_cmd.cpp

@@ -933,7 +933,7 @@ CommandCost CmdRefitShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, con
 	}
 	_returned_refit_capacity = capacity;
 
-	if (IsHumanCompany(v->owner) && new_cid != v->cargo_type) {
+	if (new_cid != v->cargo_type) {
 		cost = GetRefitCost(v->engine_type);
 	}