Codechange: Replace TILE_AREA_LOOP with range-based for loops

src/tree_cmd.cpp

@@ -392,7 +392,7 @@ CommandCost CmdPlantTree(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 	int limit = (c == nullptr ? INT32_MAX : GB(c->tree_limit, 16, 16));
 
 	TileArea ta(tile, p2);
-	TILE_AREA_LOOP(tile, ta) {
+	for (TileIndex tile : ta) {
 		switch (GetTileType(tile)) {
 			case MP_TREES:
 				/* no more space for trees? */