Merge branch 'master' into jgrpp

# Conflicts:
#	src/elrail.cpp
#	src/ground_vehicle.hpp
#	src/landscape.cpp
#	src/saveload/afterload.cpp
#	src/saveload/saveload.h
#	src/tile_cmd.h
#	src/town_cmd.cpp
#	src/tunnelbridge_cmd.cpp

src/station_cmd.cpp

@@ -3668,7 +3668,7 @@ void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, Ro
 	DrawRailTileSeqInGUI(x, y, t, (st == STATION_WAYPOINT || st == STATION_ROADWAYPOINT) ? 0 : total_offset, 0, pal);
 }
 
-static int GetSlopePixelZ_Station(TileIndex tile, uint x, uint y)
+static int GetSlopePixelZ_Station(TileIndex tile, uint x, uint y, bool ground_vehicle)
 {
 	return GetTileMaxPixelZ(tile);
 }