Fix VDPAU compilation issues with newer ffmpeg version
Fix VDPAU compilation issues with newer ffmpeg version

svn path=/trunk/libavg/; revision=7679

yyd01245/libavg,scotty007/libavg,th3infinity/libavg,th3infinity/libavg,libavg/libavg,yyd01245/libavg,scotty007/libavg,hoodie/libavg,th3infinity/libavg,yyd01245/libavg,scotty007/libavg,hoodie/libavg,hoodie/libavg,libavg/libavg,hoodie/libavg,libavg/libavg,yyd01245/libavg,libavg/libavg,scotty007/libavg,th3infinity/libavg