(svn r16273) [0.7] -Backport from trunk:

- Fix: Wrong number of parameters or wrong parameter types sent to printf-like functions at several places (r16269)
- Fix: [NewGRF] When callback 2E returns an amount of 0, do not transport 1 unit to the station (r16268)
- Fix: [NoAI] Various documentation omissions with respect to IDs of various objects and corners for AITile::(Raise|Lower)Tile (r16267,r16266)

src/station_cmd.cpp

@@ -2963,6 +2963,9 @@ void FindStationsAroundTiles(TileIndex tile, int w_prod, int h_prod, StationList
 
 uint MoveGoodsToStation(TileIndex tile, int w, int h, CargoID type, uint amount)
 {
+	/* Return if nothing to do. Also the rounding below fails for 0. */
+	if (amount == 0) return 0;
+
 	Station *st1 = NULL;   // Station with best rating
 	Station *st2 = NULL;   // Second best station
 	uint best_rating1 = 0; // rating of st1