[PATCH 2/2] posix: Add test case for gai_strerror()

[Dridi Boukelmoune]

<snip>
> > +/* Test for gai_strerror()
> > +   Copyright (C) 2022-2023 Free Software Foundation, Inc.
>
> If you're contributing with a DCO, this will need editing to:
>
> "Copyright The GNU Toolchain Authors."

I didn't pay enough attention, new patch series submitted.

Thanks!
Dridi