Fixed getAvgLibPath for Mac.
Fixed getAvgLibPath for Mac.

svn path=/trunk/libavg/; revision=4094

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