[Modify] Polish it

websocket-sharp/WebSocket.cs

@@ -2452,37 +2452,36 @@ namespace WebSocketSharp
 
       Action receive = null;
       receive =
-        () =>
-          WebSocketFrame.ReadFrameAsync (
-            _stream,
-            false,
-            frame => {
-              var cont = processReceivedFrame (frame)
-                         && _readyState != WebSocketState.Closed;
+        () => WebSocketFrame.ReadFrameAsync (
+                _stream,
+                false,
+                frame => {
+                  var cont = processReceivedFrame (frame)
+                             && _readyState != WebSocketState.Closed;
 
-              if (!cont) {
-                var exited = _receivingExited;
+                  if (!cont) {
+                    var exited = _receivingExited;
 
-                if (exited != null)
-                  exited.Set ();
+                    if (exited != null)
+                      exited.Set ();
 
-                return;
-              }
+                    return;
+                  }
 
-              receive ();
+                  receive ();
 
-              if (_inMessage)
-                return;
+                  if (_inMessage)
+                    return;
 
-              message ();
-            },
-            ex => {
-              _log.Fatal (ex.Message);
-              _log.Debug (ex.ToString ());
+                  message ();
+                },
+                ex => {
+                  _log.Fatal (ex.Message);
+                  _log.Debug (ex.ToString ());
 
-              abort ("An exception has occurred while receiving.", ex);
-            }
-          );
+                  abort ("An exception has occurred while receiving.", ex);
+                }
+              );
 
       receive ();
     }