GN: Fix skia build on mac, use -msse4.1 everywhere

skia/skia_library_opts.gyp

 # Copyright 2013 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.
 
 
 # This gyp file contains the platform-specific optimizations for Skia
 {
   'targets': [
     # Due to an unfortunate intersection of lameness between gcc and gyp,
     # we have to build the *_SSE2.cpp files in a separate target.  The
@@ skipping 207 matching lines @@
       'include_dirs': [
         '../third_party/skia/include/core',
         '../third_party/skia/src/core',
       ],
       'sources': [
         '../third_party/skia/src/opts/SkBlurImage_opts_SSE4.cpp',
       ],
       'conditions': [
         [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
           'cflags': [
-            '-msse4',
+            '-msse4.1',
           ],
         }],
         [ 'OS == "mac"', {
           'xcode_settings': {
             'GCC_ENABLE_SSE41_EXTENSIONS': 'YES',
           },
         }],
         [ 'target_arch == "x64"', {
           'sources': [
             '../third_party/skia/src/opts/SkBlitRow_opts_SSE4_x64_asm.S',
@@ skipping 84 matching lines @@
               'defines': [
                 '__ARM_HAVE_OPTIONAL_NEON_SUPPORT',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }