ports/160809: Update security/xml-security to version 1.4.5

[edwin at FreeBSD.org]

Synopsis: Update security/xml-security to version 1.4.5

Responsible-Changed-From-To: freebsd-ports-bugs->ale
Responsible-Changed-By: edwin
Responsible-Changed-When: Sun Sep 18 19:40:23 UTC 2011
Responsible-Changed-Why: 
Over to maintainer (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=160809