[Modify] Polish it

websocket-sharp/Net/HttpConnection.cs

@@ -548,12 +548,15 @@ namespace WebSocketSharp.Net
 
     public void BeginReadRequest ()
     {
-      try {
       _timeoutCanceled.Add (_reuses, false);
       _timer.Change (_timeout, Timeout.Infinite);
+
+      try {
         _stream.BeginRead (_buffer, 0, _bufferLength, onRead, this);
       }
       catch {
+        // TODO: Logging.
+
         close ();
       }
     }