Patch: ACL #access-id#<invalid-DN> granted access to everyone (ITS#2006)

Patch: ACL #access-id#<invalid-DN> granted access to everyone  (ITS#2006)

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Written by Hallvard B. Furuseth and placed into the public domain.
This software is not subject to any license of the University of Oslo.
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There is a bug in OpenLDAPaci's "access-id":  If the specified DN is
invalid so dnNormalize2() fails, everyone gets access.
This means that e.g. "#access-id#[all]" gives public access, so it
might be considered a feature, but I fixed it anyway:-)  I guess that
means the change should be documented in the release notes, though.

See also ITS#2005 (add OpenLDAPaci #public# access).

Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>, Aug 2002.