Re: c32ispunct tests: Avoid a test failure on Solaris 11 OmniOS

[Collin Funk]

Bruno Haible <br...@clisp.org> writes:

>> Would it make sense to use __illumos__ here?
>
> No, it is too new. [1]

Makes sense. Feel free to change the ones I added previously to __sun if
you would like.

Collin