Fixes bug 1451.  If Bayes isn't enabled, PerMsgStatus::check() will now look to see if we can enable it (ie: change from scoreset {0,1} => {2,3}) and do it if possible.
Fixes bug 1451.  If Bayes isn't enabled, PerMsgStatus::check() will now
look to see if we can enable it (ie: change from scoreset {0,1} => {2,3})
and do it if possible.


git-svn-id: d99324e817494df82bb0080d8e7ab74680731a10@4482 13f79535-47bb-0310-9956-ffa450edef68

apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin