kern/161553: Timestamp missing from msgbuf

[eadler at FreeBSD.org]

Synopsis: Timestamp missing from msgbuf

Responsible-Changed-From-To: freebsd-bugs->eadler
Responsible-Changed-By: eadler
Responsible-Changed-When: Thu Jan 26 02:55:28 UTC 2012
Responsible-Changed-Why: 
it will be a bit before I get to this one but I'd like to make sure
someone looks at this PR.

http://www.freebsd.org/cgi/query-pr.cgi?pr=161553