Disable VS warnings in speex.

speex.gyp

 # Copyright (c) 2010 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.
 
 {
   'variables': {
     'use_system_speex%': 0,
   },
   'conditions': [
     ['use_system_speex==0', {
@@ skipping 69 matching lines @@
           ],
           'include_dirs': [
             'include',
             'libspeex',
           ],
           'direct_dependent_settings': {
             'include_dirs': [
               'include',  # Clients expect <speex/speex.h> to be a system header.
             ],
           },
+          'msvs_disabled_warnings': [4244, 4305],
         },
       ],
     }, { # use_system_speex != 0
       'targets': [
         {
           'target_name': 'libspeex',
           'type': 'settings',
           'direct_dependent_settings': {
             'cflags': [
               '<!@(pkg-config --cflags speex)',
@@ skipping 14 matching lines @@
       ],
     }],
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: