[PATCH v3] Fix tst-pkey expectations on pkey_get [BZ #23202]

[Florian Weimer]

* Lucas A. M. Magalhaes:

> -/* Used to check that access is revoked in signal handlers.  */
> +/* Used to check the behavior in signal handlers.  In x86 all access are
> +revoked during signal handling.  Otherwise in PowerPC the key will hold it's
> +permissions. This test accepts both approaches.  */

Please indent the comment as usual.  I think on POWER, the permissions
are inherited by the interrupted thread (there are no default
permissions for signal handlers).

Thanks,
Florian