(svn r3353) Simplify the automatic length adjustment algorithm for replacing trains: Use the length of the train before the replacement as reference length

station_cmd.c

@@ -1065,6 +1065,11 @@ int32 CmdBuildRailroadStation(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 	return cost;
 }
 
+static bool TileBelongsToRailStation(const Station *st, TileIndex tile)
+{
+	return IsTileType(tile, MP_STATION) && _m[tile].m2 == st->index && _m[tile].m5 < 8;
+}
+
 static void MakeRailwayStationAreaSmaller(Station *st)
 {
 	uint w = st->trainst_w;