minor fix

MistoxServer/Client/TCPClient.cs

@@ -14,6 +14,7 @@ namespace Mistox.Client {
         private readonly SemaphoreSlim _sendLock = new SemaphoreSlim(1, 1);
 
         public mTCPClient( MistoxClient parent, IPEndPoint ServerAddress ) {
+            _parent = parent;
             _connection = new TcpClient( AddressFamily.InterNetwork );
             _connection.NoDelay = true;
             _connection.Connect( ServerAddress );