bug#19049: 25.0.50; emacs-repository-get-version doesn't work with git

[Eli Zaretskii]

> From: Lars Magne Ingebrigtsen <larsi@gnus.org>
> Date: Fri, 14 Nov 2014 05:01:38 +0100
> MailScanner-NULL-Check: 1416542500.75391@gxilGrUuOUNOorim2WEIOg
> Cc: 19049@debbugs.gnu.org
> 
> Ulrich Mueller <ulm@gentoo.org> writes:
> 
> > The function tries to determine the version by calling:
> >
> >    git log -1 --pretty=format:%N
> >
> > According to git documentation, format:%N will output "commit notes"
> > which will be empty usually. Presumably, this should be format:%H, in
> > order to output the commit hash. Patch is included below.
> 
> Thanks; applied.

To the wrong branch again.  Please backport this to the emacs-24
branch.