Fix outdated header guard names

webrtc/rtc_tools/network_tester/packet_logger.h

 /*
  *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_
-#define WEBRTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_
+#ifndef WEBRTC_RTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_
+#define WEBRTC_RTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_
 
 #include <fstream>
 #include <string>
 
 #include "webrtc/rtc_base/constructormagic.h"
 #include "webrtc/rtc_base/ignore_wundef.h"
 
 #ifdef WEBRTC_NETWORK_TESTER_PROTO
 RTC_PUSH_IGNORING_WUNDEF()
 #include "webrtc/rtc_tools/network_tester/network_tester_packet.pb.h"
@@ skipping 13 matching lines @@
   void LogPacket(const NetworkTesterPacket& packet);
 
  private:
   std::ofstream packet_logger_stream_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(PacketLogger);
 };
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_
+#endif  // WEBRTC_RTC_TOOLS_NETWORK_TESTER_PACKET_LOGGER_H_