bug 5289: if ignoring a message during learning, set the return code such that we didn't learn from it, not that there was an error during learning which could cause the caller to abort, etc.
bug 5289: if ignoring a message during learning, set the return code such that we didn't learn from it, not that there was an error during learning which could cause the caller to abort, etc.

git-svn-id: e9fe9b84e32fc5e57b7d09c40cd78b14ea28ed71@494934 13f79535-47bb-0310-9956-ffa450edef68

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