docs/172692: [PATCH] Bring parts of the rc scripting guides up to date

[crees at FreeBSD.org]

Synopsis: [PATCH] Bring parts of the rc scripting guides up to date

Responsible-Changed-From-To: freebsd-rc->freebsd-doc
Responsible-Changed-By: crees
Responsible-Changed-When: Thu Oct 25 20:10:57 UTC 2012
Responsible-Changed-Why: 
Glad people are OK with it-- please would someone see if they can get
this in?

http://www.freebsd.org/cgi/query-pr.cgi?pr=172692