bug#23203: 25.0.91; some loaddefs files have auto-save remnants after building (and install doesn't ignore them)

[Eli Zaretskii]

> Date: Sun, 3 Apr 2016 20:33:37 +0100
> From: "Phillip Lord" <phillip.lord@russet.org.uk>
> Cc: "Phillip Lord" <phillip.lord@russet.org.uk>,
>  23203@debbugs.gnu.org,
>  stromeko@nexgo.de
> 
> > If needed, backups can be disabled from the command line.
> 
> That works too (see attached diff), although it's a bit of pain because of
> duplication in the makefile.

Thanks.

> I would ask though, when do we want backup files produced from the
> batch-update-autoloads function?

Emacs always makes backups of all the files it writes, so summarily
exempting autoload files from this rule sounds wrong to me.  Who are
we to dictate to the entire world out there whether they should or
shouldn't have backups of these files?