FinalizeBridges hooked up

OpenRa.Game/Bridges.cs

@@ -17,6 +17,9 @@ namespace OpenRa
 				for (var i = mini; i < maxi; i++)
 					if (IsBridge(w, w.Map.MapTiles[i, j].tile))
 						ConvertBridgeToActor(w, i, j);
+
+			foreach (var br in w.Actors.SelectMany(a => a.traits.WithInterface<Bridge>()))
+				br.FinalizeBridges(w);
 		}
 
 		static void ConvertBridgeToActor(World w, int i, int j)