bug#24656: 25.1; Emacs leaves lock files on a CIFS share

[Eli Zaretskii]

> From: Jan Synacek <jsynacek@redhat.com>
> Date: Tue, 11 Oct 2016 08:32:35 +0200
> Cc: 24656@debbugs.gnu.org
> 
> > Did you also patch current_lock_owner to account for the change from a
> > colon to a comma?
> 
> Aha! After patching current_lock_owner, the lock file is correctly
> removed. I'm attaching the patch.
> 
> Thank you!

Thanks.

Paul, do you see any reasons not to make this change?  Could the comma
be problematic in some cases?  If so, can we try some other character,
perhaps?

If the change is okay, I'd like to make it on the emacs-25 branch.
Any objections?