bug 5487: prevent multiple "urirhssub"s using the same zone from overwriting each other
bug 5487: prevent multiple "urirhssub"s using the same zone from overwriting each other

git-svn-id: e9fe9b84e32fc5e57b7d09c40cd78b14ea28ed71@543724 13f79535-47bb-0310-9956-ffa450edef68

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