NAS list update without restarting radius server.

[Alan DeKok]

liran tal wrote:
> Maybe freeradius can read the nas list from sql at startup to some
> linked list and this list will be updated every given interval with a query
> to the database.

  It's more complicated than that.  The NASes need to be deleted, too.
And this has to be done without affecting normal server operation.

  As always, patches are welcome.

  Alan DeKok.