docs/101564: man 4 random has a URL as reference

[Remko Lodder]

Synopsis: man 4 random has a URL as reference

State-Changed-From-To: open->closed
State-Changed-By: remko
State-Changed-When: Fri Oct 13 14:16:30 UTC 2006
State-Changed-Why: 
The URL is required to understand the Yarrow protocol, we cannot remove
that eventhough it requires internet access for this. Closing the PR.
Facilitated by: Snow B.V.

http://www.freebsd.org/cgi/query-pr.cgi?pr=101564