[PATCH] D75621: [clang-tidy] Use ; as separator for HeaderFileExtensions

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri requested changes to this revision.
lebedev.ri added a comment.
This revision now requires changes to proceed.

This will break existing `.clang-tidy` configs


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75621/new/

https://reviews.llvm.org/D75621