Copyright for gpp source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: gpp
Upstream-Contact: Tristan Miller 
Source: https://files.nothingisreal.com/software/gpp/

Files: *
Copyright: 1996, 1999, 2001 Denis Auroux 
           2003, 2004, 2016 Tristan Miller 
License: LGPL-3
 On Debian systems the full text of the GNU Lesser General Public
 License can be found in the `/usr/share/common-licenses/LGPL-3'
 file.

Files: debian/*
Copyright: 2004, Lucas Wall 
           2010, Dario Minnucci 
           2010, Roland Stigge 
           2018, Fabian Wolff 
License: LGPL-2.1
 On Debian systems the full text of the GNU Lesser General Public
 License can be found in the `/usr/share/common-licenses/LGPL-2.1'
 file.