OpenH264 gyp file updated.

third_party/openh264/openh264.gyp

 # Copyright 2015 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.
 
 {
   'includes': [
     'openh264.gypi',
     'openh264_args.gypi',
   ],
   # Settings shared by all openh264 targets.
@@ skipping 26 matching lines @@
               4324,  # structure was padded
               4245,  # signed/unsigned mismatch
               4701,  # uninitialized variable used
               4702,  # unreachable code
             ],
           }, {
             # For clang on windows, |cflags| is mysteriously ignored and we
             # resort to using |AdditionalOptions| instead.
             'msvs_settings': {
               'VCCLCompilerTool': {
+                'AdditionalOptions': [
+                  '-Wno-unused-function',
+                  '-Wno-unused-value',
+                ],
                 'AdditionalOptions!': [
                   '-Wheader-hygiene',
                 ],
-                'AdditionalOptions': [
-                  '-Wno-unused-value',
-                ],
               },
             },
           }],
         ],
       }],
       ['OS=="android"', {
         'defines': [
           # Android NDK is necessary for its cpufeatures and this define is
           # what OpenH264 code uses to check if it should be used.
           'ANDROID_NDK',
@@ skipping 33 matching lines @@
       'type': 'static_library',
       'dependencies': [
         'openh264_common',
         'openh264_processing',
       ],
       'include_dirs+': [ '<@(openh264_encoder_includes)' ],
       'sources': [ '<@(openh264_encoder_sources)' ],
     },
   ],
 }