docs/172922: Handbook - 25.7 Rebuilding “world” - update w/r to /src.conf and make.conf

[wblock at FreeBSD.org]

Synopsis: Handbook - 25.7 Rebuilding “world” - update w/r to /src.conf and make.conf

Responsible-Changed-From-To: freebsd-doc->wblock
Responsible-Changed-By: wblock
Responsible-Changed-When: Wed Jan 30 03:04:14 UTC 2013
Responsible-Changed-Why: 
Take.

http://www.freebsd.org/cgi/query-pr.cgi?pr=172922