rename attribute_unused to av_unused and moves its declaration to common.h
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: file:///var/local/repositories/ffmpeg/trunk@9155 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b