fix missing reference

MediaBrowser.Dlna/PlayTo/DlnaController.cs

@@ -46,13 +46,14 @@ namespace MediaBrowser.Dlna.PlayTo
             }
         }
 
-        public PlayToController(SessionInfo session, ISessionManager sessionManager, IItemRepository itemRepository, ILibraryManager libraryManager, ILogger logger, INetworkManager networkManager)
+        public PlayToController(SessionInfo session, ISessionManager sessionManager, IItemRepository itemRepository, ILibraryManager libraryManager, ILogger logger, INetworkManager networkManager, IDlnaManager dlnaManager)
         {
             _session = session;
             _itemRepository = itemRepository;
             _sessionManager = sessionManager;
             _libraryManager = libraryManager;
             _networkManager = networkManager;
+            _dlnaManager = dlnaManager;
             _logger = logger;
         }
 

MediaBrowser.Dlna/PlayTo/PlayToManager.cs

@@ -229,7 +229,7 @@ namespace MediaBrowser.Dlna.PlayTo
 
                 if (controller == null)
                 {
-                    sessionInfo.SessionController = controller = new PlayToController(sessionInfo, _sessionManager, _itemRepository, _libraryManager, _logger, _networkManager);
+                    sessionInfo.SessionController = controller = new PlayToController(sessionInfo, _sessionManager, _itemRepository, _libraryManager, _logger, _networkManager, _dlnaManager);
                 }
 
                 controller.Init(device);