Copyright for d-shlibs source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: d-shlibs
Upstream-Contact: d-shlibs bugtracker 
Source: https://salsa.debian.org/debian/d-shlibs

Files: *
License-Grant:
 This file 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 3 of the License, or (at your option) any later version.
Copyright:
  2002-2005  Junichi Uekawa
  2010-2021  Jonas Smedegaard 
License: GPL-3+
Reference: debian/copyright

License: GPL-3+
Reference: /usr/share/common-licenses/GPL-3