[libc-commits] [libc] [libc] change return type of pthread_setspecific to int in generated header (PR #124072)

[Nick Desaulniers via libc-commits]

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

LGTM! Thanks for the patch; do you need us to merge this for you?

https://github.com/llvm/llvm-project/pull/124072