[llvm-branch-commits] [libc] [libc] Fix sockatmark test (#210655) (PR #219982)

[Pavel Labath via llvm-branch-commits]

labath wrote:

This is a manual cherry pick of https://github.com/llvm/llvm-project/pull/210655. Automated cherry pick failed because of conflicts in bazel files (the bazel build did not have build rules for sockatmark at this point in time). I have simply removed bazel files from the patch.

https://github.com/llvm/llvm-project/pull/219982