Copyright for rdesktop source package in Focal

This package was debianized by Sam Johnston  on
Wed, 27 Jun 2001 00:52:32 +1000.
Adopted by Laszlo Boszormenyi (GCS)  on
Tue Oct 17 23:37:49 CEST 2006 from Tomas Fasth  .

It was downloaded from https://github.com/rdesktop/rdesktop/releases

Upstream Authors: Matthew Chapman ,
Henrik Andersson  

Copyright:

   Copyright (C) 1999-2011 Matthew Chapman
   Copyright (C) 2010-     Henrik Andersson

   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 of the License, or
   (at your option) any later version, with the additional exemption that
   compiling, linking, and/or using OpenSSL together with this software is
   allowed.

   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 St, Fifth Floor, Boston, MA 02110-1301, USA.

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