(svn r25008) -Codechange: Make CargoList::Truncate behave similarly to CargoList::MoveTo, i.e. pass the amount to truncate (fonsinchen)

src/station_cmd.cpp

@@ -3307,7 +3307,7 @@ static void UpdateStationRating(Station *st)
 					waiting_changed = true;
 				}
 
-				if (waiting_changed) ge->cargo.Truncate(waiting);
+				if (waiting_changed) ge->cargo.Truncate(ge->cargo.Count() - waiting);
 			}
 		}
 	}