x86_64 patch.
x86_64 patch.

svn path=/trunk/libavg/; revision=1537

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