[Modify] Polish it

websocket-sharp/Net/WebSockets/TcpListenerWebSocketContext.cs

@@ -61,7 +61,6 @@ namespace WebSocketSharp.Net.WebSockets
     private Stream              _stream;
     private TcpClient           _tcpClient;
     private IPrincipal          _user;
-    private System.Net.EndPoint _userEndPoint;
     private WebSocket           _websocket;
 
     #endregion
@@ -104,8 +103,6 @@ namespace WebSocketSharp.Net.WebSockets
         _stream = netStream;
       }
 
-      _userEndPoint = _socket.RemoteEndPoint;
-
       _request = HttpRequest.ReadRequest (_stream, 90000);
       _websocket = new WebSocket (this, protocol);
     }
@@ -419,7 +416,7 @@ namespace WebSocketSharp.Net.WebSockets
     /// </value>
     public override System.Net.IPEndPoint UserEndPoint {
       get {
-        return (System.Net.IPEndPoint) _userEndPoint;
+        return (System.Net.IPEndPoint) _socket.RemoteEndPoint;
       }
     }