bug 1775: initial work to deal with bayes db upgrade
bug 1775: initial work to deal with bayes db upgrade


git-svn-id: d99324e817494df82bb0080d8e7ab74680731a10@4999 13f79535-47bb-0310-9956-ffa450edef68

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