[Modify] Move it

Author: sta

websocket-sharp/WebSocket.cs

@@ -2149,9 +2149,6 @@ private HttpResponse sendHandshakeRequest ()
       var res = req.GetResponse (_stream, timeout);
 
       if (res.IsUnauthorized) {
-        if (_credentials == null)
-          return res;
-
         var val = res.Headers["WWW-Authenticate"];
 
         if (val.IsNullOrEmpty ()) {
@@ -2170,6 +2167,9 @@ private HttpResponse sendHandshakeRequest ()
 
         _authChallenge = achal;
 
+        if (_credentials == null)
+          return res;
+
         var ares = new AuthenticationResponse (
                      _authChallenge, _credentials, _nonceCount
                    );