check-webkit-style always diffs from `main`, which doesn't support branch development.
<rdar://problem/96914421>
Pull request: https://github.com/WebKit/WebKit/pull/2565
Committed 252647@main (64078f4d6705): <https://commits.webkit.org/252647@main> Reviewed commits have been landed. Closing PR #2565 and removing active labels.
Committed 252432.18@safari-7614-branch (a15b879ba792): <https://commits.webkit.org/252432.18@safari-7614-branch> Reviewed commits have been landed. Closing PR #21 and removing active labels.