[PATCH] Fix linknamespace errors in nss_database.c if build with -Os.

[DJ Delorie]

Stefan Liebler via Libc-alpha <libc-alpha@sourceware.org> writes:
>        ssize_t ret = __getline (&line, &line_allocated, fp);
> -      if (ferror_unlocked (fp))
> +      if (__ferror_unlocked (fp))
>          break;
> -      if (feof_unlocked (fp))
> +      if (__feof_unlocked (fp))
>          {

LGTM.  Thanks!

Reviewed-by: DJ Delorie <dj@redhat.com>