Updated mac installer generator to use relative paths.
Updated mac installer generator to use relative paths.

svn path=/trunk/libavg/; revision=2313

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