add the long_name to the -formats output patch by (john Galloway <jrg at monsterbot dot com>) and (Måns Rullgård <mru at mru dot ath dot cx>)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@3611 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b