previous change broke sa-learn -- we now only use external files for message passing if -j > 1, also just stick # of messages at top of temp file, skip the whole IO child/parent thing ...
previous change broke sa-learn -- we now only use external files for message passing if -j > 1, also just stick # of messages at top of temp file, skip the whole IO child/parent thing ...

git-svn-id: d99324e817494df82bb0080d8e7ab74680731a10@6399 13f79535-47bb-0310-9956-ffa450edef68

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