Copyright for clamfs source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ClamFS
Upstream-Contact: Krzysztof Burghardt 
Source: https://github.com/burghardt/clamfs

Files: *
Copyright: 2007-2019 Krzysztof Burghardt
License: GPL-2+

Files: src/utils.hxx
Copyright: 2007-2019 Krzysztof Burghardt
           2005-2007 Remi Flament
License: GPL-2+

Files: src/clamfs.cxx
Copyright: 2007-2019 Krzysztof Burghardt
           2001-2006 Miklos Szeredi
License: GPL-2+

Files: fdpassing.m4 src/fdpassing.h
Copyright: 2013-2019 Cisco Systems, Inc. and/or its affiliates
           2009-2013 Sourcefire, Inc.
License: GPL-2

Files: ax_boost_base.m4
Copyright: 2008 Thomas Porschberg
License: permissive
 Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice
 and this notice are preserved.

License: GPL-2+
 This package 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 package 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 package; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 .
 On Debian systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/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 version 2 as
 published by the Free Software Foundation.
 .
 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, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 MA 02110-1301, USA.
 .
 On Debian systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.