Fixed event scale calculation.
Fixed event scale calculation.

svn path=/branches/tracking/; revision=1863

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