Bug#930850: texlive-latex-extra: Update listings macro separator

[Xavier Gendre <gendre.reivax@gmail.com>]

Hi Norbert,

> On Fri, 21 Jun 2019, Xavier Gendre wrote:
> > This bug can be fixed with:
> > sed -i -e 's/&/:/'
> > /usr/share/texlive/texmf-dist/tex/latex/lstaddons/lstlinebgrd.sty
>
> Did you follow the advice specifically added in the bug report template:
>
> > In particular, bugs that are related to up-upstream, i.e., neither
> > Debian nor TeX Live (upstream), but the original package authors,
> > will be closed immediately.

Yes, I read this advice and hesitated to send my report because of that. 
It seemed important to point out a non-functional package. This command 
was just a workaround.

> Please consult the original package author so that they fix the bug,
> upload to CTAN. After that it will arrive in TeX Live and thus in
> Debian.
>
> So, please, could you contact Martin Scharrer, his email address can be
> found in the README or pdf
> 	texdoc lstaddons
> (I wont post it here)

I will do it!

Regards,
Xavier