misc/122320: Need to use ipv6_enable="YES" even when it is obvious

[remko at FreeBSD.org]

Synopsis: Need to use ipv6_enable="YES" even when it is obvious

State-Changed-From-To: open->closed
State-Changed-By: remko
State-Changed-When: Tue Apr 1 06:41:46 UTC 2008
State-Changed-Why: 
This is not a problem record item, but something that might need
discussion. Though I think this was done on purpose to let people
explicitly enable IPv6 instead of letting it go loose on the internet
without additional configuration.

http://www.freebsd.org/cgi/query-pr.cgi?pr=122320