Fix warning for multi line comment in QUIC.

net/tools/quic/quic_client_bin.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // A binary wrapper for QuicClient.
 // Connects to a host using QUIC, and sends requests to the provided URLS.
 //
 // Example usage:
-//  quic_client --address=127.0.0.1 --port=6122 --hostname=www.google.com \
+//  quic_client --address=127.0.0.1 --port=6122 --hostname=www.google.com
 //      http://www.google.com/index.html http://www.google.com/favicon.ico
 
 #include <iostream>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/privacy_mode.h"
@@ skipping 99 matching lines @@
   if (!client.Connect()) {
     LOG(ERROR) << "Client failed to connect to host: "
                << FLAGS_hostname << ":" << FLAGS_port;
     return 1;
   }
 
   // Send a GET request for each supplied url.
   client.SendRequestsAndWaitForResponse(urls);
   return 0;
 }