ports/172726: sysutils/shlock: Update to version 2.5.3

[edwin at FreeBSD.org]

Synopsis: sysutils/shlock: Update to version 2.5.3

Responsible-Changed-From-To: freebsd-ports-bugs->miwi
Responsible-Changed-By: edwin
Responsible-Changed-When: Mon Oct 15 18:11:01 UTC 2012
Responsible-Changed-Why: 
miwi@ wants his PRs (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=172726