[RFA] gdb/copyright.py: Add generated files in gnulib/ to exclude list

[Joel Brobecker]

> > gdb/ChangeLog:
> > 
> >         * copypright.py (EXCLUDE_LIST): Add 'gnulib/config.in' and
> >         'gnulib/Makefile.in' to the list.
> > 
> > OK to push to master?
> 
> I didn't try it, but it looks good to me.

Thanks Simon. I tried the change before sending, making sure it doesn't
update the files we've put in the exclusion list.

Pushed to master. Thanks for the review :).

-- 
Joel