[rtp_rtcp] Lint build/header_guard errors fixed

webrtc/modules/rtp_rtcp/test/testFec/average_residual_loss_xor_codes.h

 /*
  *  Copyright (c) 2012 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_MODULES_RTP_RTCP_TEST_TESTFEC_AVERAGE_RESIDUAL_LOSS_XOR_CODES_H_
+#define WEBRTC_MODULES_RTP_RTCP_TEST_TESTFEC_AVERAGE_RESIDUAL_LOSS_XOR_CODES_H_
 
 namespace {
 
 // Maximum number of media packets allowed in this test. The burst mask types
 // are currently defined up to (kMaxMediaPacketsTest, kMaxMediaPacketsTest).
 const int kMaxMediaPacketsTest = 12;
 
 // Maximum number of FEC codes considered in this test.
 const int kNumberCodes = kMaxMediaPacketsTest * (kMaxMediaPacketsTest + 1) / 2;
 
@@ skipping 159 matching lines @@
   0.028599f,
   0.023693f,
   0.019966f,
   0.016603f,
   0.013690f,
   0.011359f,
   0.009657f
 };
 
 }  // namespace
+#endif  // WEBRTC_MODULES_RTP_RTCP_TEST_TESTFEC_AVERAGE_RESIDUAL_LOSS_XOR_CODES_H_