Update to 1.8.0

--HG--
branch : openttd

src/saveload/afterload.cpp

@@ -1,4 +1,4 @@
-/* $Id: afterload.cpp 27760 2017-02-26 20:31:02Z frosch $ */
+/* $Id: afterload.cpp 27893 2017-08-13 18:38:42Z frosch $ */
 
 /*
  * This file is part of OpenTTD.
@@ -154,7 +154,7 @@ static void ConvertTownOwner()
 				if (GB(_m[tile].m5, 4, 2) == ROAD_TILE_CROSSING && HasBit(_m[tile].m3, 7)) {
 					_m[tile].m3 = OWNER_TOWN;
 				}
-				/* FALL THROUGH */
+				FALLTHROUGH;
 
 			case MP_TUNNELBRIDGE:
 				if (_m[tile].m1 & 0x80) SetTileOwner(tile, OWNER_TOWN);