ports/170581: [patch] update devel/rubygem-systemu to latest version

[edwin at FreeBSD.org]

Synopsis: [patch] update devel/rubygem-systemu to latest version

Responsible-Changed-From-To: freebsd-ports-bugs->ruby
Responsible-Changed-By: edwin
Responsible-Changed-When: Mon Aug 13 01:40:11 UTC 2012
Responsible-Changed-Why: 
ruby@ wants this port PRs (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=170581