patch by Carl Eugen Hoyos cehoyos chez ag or at original thread: [FFmpeg-devel] [PATCH] attribute_unused -> av_unused date: 05/29/2007 01:23 PM git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23418 b3059339-0415-0410-9bf9-f77b7e298cf2