[Mimedefang] Correction about Autolearn Headers

[Kevin A. McGrail]

Gotcha.  Forest for the trees.  The wasted time from someone posting
supposedly working code getting the auto_learn_status from $SASpamTester had
me going 180 degrees the wrong way.


> You can do this already; just call spam_assassin_status from your
> filter, and process the status object yourself.  Heck, it's even
> documented in the mimedefang-filter man page. :-)