docs/186625: Handbook rebuilding "world" upgrade procedure wrong mergemaster command

[dru at FreeBSD.org]

Synopsis: Handbook rebuilding "world" upgrade procedure wrong mergemaster command

Responsible-Changed-From-To: freebsd-doc->dru
Responsible-Changed-By: dru
Responsible-Changed-When: Fri Mar 7 18:39:00 UTC 2014
Responsible-Changed-Why: 
I'll take this one.

http://www.freebsd.org/cgi/query-pr.cgi?pr=186625