Comment # 4 on bug 1221682 from David Disseldorp

(In reply to David Disseldorp from comment #3)
...
> As mentioned in comment#1 , I think the cyrus-sasl callback interface
> deserves to be tracked as a separate bug. @Michal: if you agree, could you
> raise a ticket?
> I think this can be closed once cyrus-sasl is tracked elsewhere.

I've added an autofs cast workaround for the type-unsafe cyrus-sasl
sasl_callback_t interface. I still think it warrants a separate cyrus-sasl
ticket, but it'll do for now.