Copyright for wmcalc source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: wmcalc
Upstream-Contact: Window Maker Developers Team 
Source: http://windowmaker.org/dockapps/?name=wmcalc

Files: *
Copyright: 1998-2001 Edward H. Flora 
License: GPL-2

Files: debian/*
Copyright: 2001 Gordon Fraser 
	   2007 Sandro Tosi 
	   2015 Doug Torrance 
License: GPL-2

License: GPL-2
 This program is free software; you can redistribute it and/or
 modify it under the terms of version 2 of the GNU General Public License
 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, see .
 .
 On Debian systems, the complete text of the GPL can be found in
 /usr/share/common-licenses/GPL-2.