Merge branch 'master' into jgrpp

# Conflicts:
#	src/group_gui.cpp
#	src/lang/german.txt
#	src/lang/korean.txt
#	src/lang/traditional_chinese.txt
#	src/pathfinder/yapf/yapf_rail.cpp
#	src/saveload/vehicle_sl.cpp
#	src/window.cpp

src/industry_cmd.cpp

@@ -1384,7 +1384,7 @@ static CommandCost CheckIfIndustryTilesAreFree(TileIndex tile, const IndustryTil
 		}
 
 		if (gfx == GFX_WATERTILE_SPECIALCHECK) {
-			if (!IsTileType(cur_tile, MP_WATER) ||
+			if (!IsWaterTile(cur_tile) ||
 					!IsTileFlat(cur_tile)) {
 				return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
 			}