ports/164999: Update port: print/html2ps-letter to 1.0b7

[edwin at FreeBSD.org]

Synopsis: Update port: print/html2ps-letter to 1.0b7

Responsible-Changed-From-To: freebsd-ports-bugs->miwi
Responsible-Changed-By: edwin
Responsible-Changed-When: Sat Feb 11 18:11:52 UTC 2012
Responsible-Changed-Why: 
miwi@ wants his PRs (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=164999