bug#25236: 26.0.50; sql-postgres not working on master

[Eli Zaretskii]

> Date: Thu, 10 Aug 2017 23:26:13 +0200
> From: Simen Heggestøyl <simenheg@gmail.com>
> Cc: Michael Mauger <michael@mauger.com>,
>  andrés ramírez <rrandresf@gmail.com>,
>  "25236@debbugs.gnu.org" <25236@debbugs.gnu.org>,
>  "sunshavi@fastmail.fm" <sunshavi@fastmail.fm>
> 
> Thanks Michael. There's still a problem when psql exists with a
> non-zero exit status. I think the attached patch is needed in
> addition.

Michael, any reasons not to push this patch?