Turn on warnings-as-errors on Windows third party code

third_party/yasm/yasm.gyp

 # Copyright (c) 2012 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.
 
 # The yasm build process creates a slew of small C subprograms that
 # dynamically generate files at various point in the build process.  This makes
 # the build integration moderately complex.
 #
 # There are three classes of dynamically generated files:
 #   1) C source files that should be included in the build (eg., lc3bid.c)
@@ skipping 53 matching lines @@
       'dependencies': [
         'config_sources',
         'genmacro',
         'genmodule',
         'genperf',
         'genperf_libs',
         'generate_files',  # Needed to generate gperf and instruction files.
         'genstring',
         're2c',
       ],
+      'msvs_disabled_warnings': [ 4018, 4090 ],
       'sources': [
          'source/patched-yasm/frontends/yasm/yasm-options.c',
          'source/patched-yasm/frontends/yasm/yasm.c',
          'source/patched-yasm/libyasm/assocdat.c',
          'source/patched-yasm/libyasm/bc-align.c',
          'source/patched-yasm/libyasm/bc-data.c',
          'source/patched-yasm/libyasm/bc-incbin.c',
          'source/patched-yasm/libyasm/bc-org.c',
          'source/patched-yasm/libyasm/bc-reserve.c',
          'source/patched-yasm/libyasm/bitvect.c',
@@ skipping 483 matching lines @@
       'include_dirs': [
         '<@(yasm_include_dirs)',
 
       ],
       'cflags': [
         '-std=gnu99',
       ],
     },
   ],
 }