jhb 9d967b9986 Don't die if either of INET or INET6 aren't in the running kernel.
Instead, report "protocol not supported" errors at runtime if a user
attempts to use a protocol that the kernel doesn't support.

Reviewed by:	bz
MFC after:	1 week
2011-06-24 17:54:45 +00:00
..
2010-10-21 12:27:13 +00:00