docs/142938: [kld] share/examples: fix warnings

[brueffer at FreeBSD.org]

Synopsis: [kld] share/examples: fix warnings

Responsible-Changed-From-To: freebsd-doc->wkoszek
Responsible-Changed-By: brueffer
Responsible-Changed-When: Wed Jan 20 18:24:13 CET 2010
Responsible-Changed-Why: 
Wojciech worked in this area recently.  Wojciech, could you take a look?

http://www.freebsd.org/cgi/query-pr.cgi?pr=142938