kern/181823: [ip6] [patch] make ipv6 mroute return same errror codes as IPv4

[linimon at FreeBSD.org]

Old Synopsis: make ipv6 mroute return same errror codes as IPv4
New Synopsis: [ip6] [patch] make ipv6 mroute return same errror codes as IPv4

Responsible-Changed-From-To: freebsd-bugs->freebsd-net
Responsible-Changed-By: linimon
Responsible-Changed-When: Thu Sep 5 02:11:23 UTC 2013
Responsible-Changed-Why: 
Over to maintainer(s).

http://www.freebsd.org/cgi/query-pr.cgi?pr=181823