Fix WATCHLIST (missing quotes)

WATCHLISTS

 # Copyright (c) 2011 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.
 
 # Inspired by chromium.org:
 # http://dev.chromium.org/developers/contributing-code/watchlists
@@ skipping 96 matching lines @@
                      'audio-team@agora.io',
                      'bjornv@webrtc.org',
                      'minyue@webrtc.org',
                      'peah@webrtc.org'],
     'audio': ['solenberg@webrtc.org',
               'tina.legrand@webrtc.org'],
     'call': ['mflodman@webrtc.org',
              'pbos@webrtc.org',
              'solenberg@webrtc.org',
              'stefan@webrtc.org'],
-    'media': [solenberg@webrtc.org],
+    'media': ['solenberg@webrtc.org'],
     'video': ['mflodman@webrtc.org',
               'pbos@webrtc.org',
               'perkj@webrtc.org',
               'stefan@webrtc.org',
               'video-team@agora.io',
               'yujie.mao@webrtc.org',
               'zhengzhonghou@agora.io'],
     'voice_engine': ['andrew@webrtc.org',
                      'audio-team@agora.io',
                      'henrika@webrtc.org',
@@ skipping 51 matching lines @@
                  'stefan@webrtc.org',
                  'danilchap@webrtc.org',
                  'zhuangzesen@agora.io'],
     'system_wrappers': ['fengyue@agora.io',
                         'henrika@webrtc.org',
                         'mflodman@webrtc.org',
                         'peah@webrtc.org',
                         'zhengzhonghou@agora.io'],
   },
 }