Bug#831607: mbl.ndb database integrity test fails every time and causes cron spam

[Eero Vuojolahti]

Package: clamav-unofficial-sigs
Version: 3.7.2-2

Integrity test for mbl.ndb database fails every time and cron spams my email 
every 6 hours with the following email:

Clamscan reports MalwarePatrol mbl.ndb database integrity tested BAD - SKIPPING