bug 5557: temp files not removed on Win32, since a file cannot be deleted while it is still open.  fix
bug 5557: temp files not removed on Win32, since a file cannot be deleted while it is still open.  fix

git-svn-id: e9fe9b84e32fc5e57b7d09c40cd78b14ea28ed71@576895 13f79535-47bb-0310-9956-ffa450edef68

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