ports/166563: devel/py-lxml: update to 2.3.4

[edwin at FreeBSD.org]

Synopsis: devel/py-lxml: update to 2.3.4

Responsible-Changed-From-To: freebsd-ports-bugs->freebsd-python
Responsible-Changed-By: edwin
Responsible-Changed-When: Sun Apr 1 19:10:21 UTC 2012
Responsible-Changed-Why: 
freebsd-python@ wants this port PRs (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=166563