Copyright for gsound source package in Lunar

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: gsound
Source: https://download.gnome.org/sources/gsound/

Files: *
Copyright: 2013-2014 Tristan Brindle 
License: LGPL-2.1+

Files: gsound/gsound-attr.h
Copyright: 2008 Lennart Poettering
           2014 Tristan Brindle 
License: LGPL-2.1+

Files: debian/*
Copyright: 2015 Andreas Henriksson 
License: LGPL-2.1+

License: LGPL-2.1+
 This file is free software; you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as
 published by the Free Software Foundation; either version 2.1 of the
 License, or (at your option) any later version.
 .
 This file is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see .
 .
 On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in `/usr/share/common-licenses/LGPL-2.1'.