Copyright for libmad source package in Xenial

This package was debianized by Sean 'Shaleh' Perry  on
Tue, 23 May 2000 12:25:00 -0700.

It was downloaded from http://www.underbit.com/products/mad/

Upstream Author: Robert Leslie 

Copyright (C) 2000-2004 Underbit Technologies, Inc.

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, 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

On Debian GNU/Linux systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL'.