Removed superfluous app_window_size paramteter in firebirds sample.
Removed superfluous app_window_size paramteter in firebirds sample.

svn path=/trunk/libavg/; revision=9238

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