docs/161808: Missing documentation critical to correct usage of uuid_to_string(3)

[bcr at FreeBSD.org]

Synopsis: Missing documentation critical to correct usage of uuid_to_string(3)

Responsible-Changed-From-To: bcr->freebsd-doc
Responsible-Changed-By: bcr
Responsible-Changed-When: Mon Nov 7 11:07:56 UTC 2011
Responsible-Changed-Why: 
Back to the pool, due to insufficient time on my part.

http://www.freebsd.org/cgi/query-pr.cgi?pr=161808