IPV6 support for samba

[tridge at samba.org]

Jelmer,

 > Yep, I fixed support for DCE/RPC and LDAP over IPv6 a while back. I'm
 > not sure whether it still works though; it might've regressed as we
 > don't have any tests for it (yet).

strangely enough, I fixed a bug yesterday where our test suite was
failing if the machine didn't have IPv6 !

So it does appear to be working, although it doesn't of course support
the parts of the protocols that can't handle IPv6 (such as NBT name
resolution).

Cheers, Tridge