[rtp_rtcp] fixed namespaces lint warnings

webrtc/modules/rtp_rtcp/source/fec_private_tables_random.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_SOURCE_FEC_PRIVATE_TABLES_RANDOM_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_PRIVATE_TABLES_RANDOM_H_
 
 // This file contains a set of packets masks for the FEC code. The masks in
 // this table are specifically designed to favor recovery to random loss.
 // These packet masks are defined to protect up to maximum of 48 media packets.
 
 #include "webrtc/typedefs.h"
 
-namespace {
+namespace webrtc {
+namespace fec_private_tables {
 
 const uint8_t kMaskRandom10_1[2] = {
   0xff, 0xc0
 };
 
 const uint8_t kMaskRandom10_10[20] = {
   0x4c, 0x00,
   0x51, 0x00,
   0xa0, 0x40,
   0x04, 0xc0,
@@ skipping 24480 matching lines @@
   kPacketMaskRandom41,
   kPacketMaskRandom42,
   kPacketMaskRandom43,
   kPacketMaskRandom44,
   kPacketMaskRandom45,
   kPacketMaskRandom46,
   kPacketMaskRandom47,
   kPacketMaskRandom48
 };
 
-}  // namespace
+}  // namespace fec_private_tables
+}  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_PRIVATE_TABLES_RANDOM_H_