Log Message:
Updated to latest release. No pkgsrc changes other than the obvious. From
ChangeLog:

1.534   2013-03-26

                Added another spam detection case (mstevens)

1.533   2013-01-23

                Added two new spam detection cases (mstevens)

                Hopefully fixed tests on newer perl, at the cost of slightly
                reformatted messages. Why is Mail::DeliveryStatus::Report
                a header object anyway? (mstevens)