ports/148757: update port: net/abills up to 0.51

[edwin at FreeBSD.org]

Synopsis: update port: net/abills up to 0.51

State-Changed-From-To: open->feedback
State-Changed-By: edwin
State-Changed-When: Mon Jul 19 15:00:29 UTC 2010
State-Changed-Why: 
Awaiting maintainers feedback (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=148757