Made gpuhuefx sample executable.
Made gpuhuefx sample executable.

svn path=/trunk/libavg/; revision=6519

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