bug#30900: 26.0.91; auth-source-pass-enable results in customization type mismatch for auth-sources

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Date: Wed, 21 Mar 2018 19:52:26 -0400
> Cc: 30900@debbugs.gnu.org
> 
> Alex Branham wrote:
> 
> > Using the new (26.0.91) auth-source-pass-enable function modifies the
> > auth-sources variable to something isn't specified in :type, resulting
> > in a type mismatch when looking at the customize-variable buffer for
> > auth-sources.
> 
> Presumably this auth-sources setting also doesn't work in the next Emacs
> instance, unless one manually loads the auth-source-pass library?
> 
> Also, there doesn't seem to be any NEWS entry about auth-source-pass.el.

Damien, Nicolas: could you please look into fixing these issues ASAP?
We are about to make RC1 of Emacs 26.1 very soon.

Thanks.