[PATCH] libio: Use stdin consistently for input functions [BZ #24153]

[Paul Pluzhnikov]

On Fri, Feb 1, 2019 at 4:58 AM Florian Weimer <fweimer@redhat.com> wrote:
>
> The internal _IO_stdin_ variable is not updated when the application
> assigns to stdin, which is a GNU extension.
>
> 2019-02-01  Florian Weimer  <fweimer@redhat.com>
>
>         [BZ #24153]

I didn't realize there was a separate (from BZ 24051) bug for stdin,
and prepared effectively this same patch.

Looks good to me.
Thanks!

-- 
Paul Pluzhnikov