Improved sanity checks.
Improved sanity checks.

svn path=/trunk/libavg/; revision=2434

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