Change Stream to NetworkStream

Author: cnblogs-dudu

Enyim.Caching/Memcached/PooledSocket.cs

@@ -22,7 +22,7 @@ public partial class PooledSocket : IDisposable
         private readonly EndPoint _endpoint;
         private readonly int _connectionTimeout;
 
-        private Stream _inputStream;
+        private NetworkStream _inputStream;
         private AsyncSocketHelper _helper;
 
         public PooledSocket(EndPoint endpoint, TimeSpan connectionTimeout, TimeSpan receiveTimeout, ILogger logger)