Copyright for libphp-jabber source package in Jammy

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libphp-jabber
Upstream-Contact: Debian XMPP Maintainers 

Files: *
Copyright: 2002-2003, Carlo "Gossip" Zottmann 
           2003-2007, Nathan Fritz 
License: GPL-2

Files: debian/*
Copyright: 2005, Marcelo Jorge Vieira 
License: GPL-2+

License: GPL-2
  On Debian GNU/Linux systems, the complete text of the GNU General
  Public License can be found in `/usr/share/common-licenses/GPL-2'.

License: GPL-2+
  On Debian GNU/Linux systems, the complete text of the GNU General
  Public License can be found in `/usr/share/common-licenses/GPL-2'.