[PATCH v2] nptl: Add tst-pthread-key1-static for BZ #21777

[Florian Weimer]

* H. J. Lu:

> +  rc = pthread_setspecific(k, NULL);

Missing space before '('.  Rest looks okay.

Reviewed-by: Florian Weimer <fweimer@redhat.com>

Thanks,
Florian