bug#26378: 26.0.50; Hitting 'n' during ediff gives Error

[Philipp Stephani]

<npostavs@users.sourceforge.net> schrieb am Sa., 8. Apr. 2017 um 00:30 Uhr:

Kaushal Modi <kaushal.modi@gmail.com> writes:

> On Thu, Apr 6, 2017 at 7:37 PM <npostavs@users.sourceforge.net> wrote:
>
> Thanks. The same patch is now attached.

Thanks, pushed to master [1: 7582497785].

1: 2017-04-07 18:29:28 -0400 75824977851f27146638672bba4d3789f2a32612
  Check that file argument is a string

Sorry for the breakage, and thanks for the fix! I've added a regression test (5ea696fd24) to make sure we won't get hit by this again.