[webkit-reviews] review requested: [Bug 218414] AX: Provide build workaround while isSystemVoice is not in all SDKs : [Attachment 412842] patch

[bugzilla-daemon at webkit.org]

chris fleizach <cfleizach at apple.com> has asked	for review:
Bug 218414: AX: Provide build workaround while isSystemVoice is not in all SDKs
https://bugs.webkit.org/show_bug.cgi?id=218414

Attachment 412842: patch

https://bugs.webkit.org/attachment.cgi?id=412842&action=review