[clang-tools-extra] [clang-tidy][NFC] Fix llvm-prefer-static-over-anonymous-namespace warnings N/N (PR #165172)

[Victor Chernyakin via cfe-commits]

https://github.com/localspook approved this pull request.

LGTM, but same question as in the open review comment

https://github.com/llvm/llvm-project/pull/165172