ports/181624: Fix port: textproc/docbook-420 dependencies are incorrectly expressed

[edwin at FreeBSD.org]

Synopsis: Fix port: textproc/docbook-420 dependencies are incorrectly expressed

State-Changed-From-To: open->feedback
State-Changed-By: edwin
State-Changed-When: Wed Aug 28 17:10:21 UTC 2013
State-Changed-Why: 
Awaiting maintainers feedback (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=181624