Copyright for sqlsmith source package in Lunar

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Contact: Andreas Seltenreich 

Files: *
Copyright: 2015-2018 Andreas Seltenreich 
License: GPL-3

Files: monetdb.*
Copyright: 2016-2017 Sjoerd Mullender ,  Bo Tang 
License: GPL-3

License: GPL-3
 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;  version 3 of the License.
 .
 The full text of the GPL is distributed as in
 /usr/share/common-licenses/GPL-3 on Debian systems.