Correct a PLATFORM flag that was improperly defined in the Cocoa feature settings.
<rdar://problem/93358873>
Created attachment 459438 [details] Patch
Comment on attachment 459438 [details] Patch r=me
The Windows EWS failure is unrelated to this change.
Committed r 294272 <https://trac.webkit.org/changeset/294272/webkit>