Copyright for ocaml-vorbis source package in Bionic

This package was debianized by Samuel Mimram  on
Sun,  2 Nov 2003 20:18:05 +0100.

It was downloaded from http://savonet.sourceforge.net/

Upstream Authors: the Savonet Team 

Copyright © 2003-2007 the Savonet Team.

The ocaml-vorbis library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
(GPL) as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.

The license text is contained in /usr/share/common-licenses/GPL-2.