[macOS] Add required system call
<rdar://86518164>
Created attachment 448997 [details] patch
Comment on attachment 448997 [details] patch Thanks! R=me.
Committed r287955 (245984@main): <https://commits.webkit.org/245984@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 448997 [details].
Re-opened since this is blocked by bug 235166