message: Fix error with OSX XCode build
  Change-type: patch
diff: "libraries": [
  "-lShell32.lib",
  ],
  - } ]
  + } ],
  + [ 'OS=="mac"', {
  + "xcode_settings": {
  + "OTHER_CPLUSPLUSFLAGS": [
  + "-stdlib=libc++"
  + ],
  + "OTHER_LDFLAGS": [
  + "-stdlib=libc++"
  + ]
  + }
  + } ]
  ],
  }
  ],
  