Make sure Node is in a sane state after unlink(True).
Make sure Node is in a sane state after unlink(True).

svn path=/trunk/libavg/; revision=4306

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