Copyright for kdiagram source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0
Upstream-Name: kdiagram
Source: https://cgit.kde.org/kdiagram.git

Files: *
Copyright: 2001-2015 Klaralvdalens Datakonsult AB
License: GPL-2+

Files: debian/*
Copyright: 2016 Sebastian Ramacher 
License: GPL-2+

License: GPL-2+
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License as
 published by the Free Software Foundation; either version 2 of
 the License, or (at your option) any later version.
 .
 This program 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 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 General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.