Import town rating label patch

http://www.tt-forums.net/viewtopic.php?p=1118282#p1118282

src/viewport.cpp

@@ -1156,8 +1156,7 @@ static void ViewportAddTownNames(DrawPixelInfo *dpi)
 	const Town *t;
 	FOR_ALL_TOWNS(t) {
 		ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &t->cache.sign,
-				_settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
-				STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
+				t->Label(), t->SmallLabel(), STR_VIEWPORT_TOWN_TINY_BLACK,
 				t->index, t->cache.population);
 	}
 }