Hi Mark,
I would note that no patch for this issue has ever been submitted to the tracker, nor is there any IPR, etc. I did track down your suggested fix via the mailing list thread. However, that is not sufficient for it to be included in the OpenLDAP project.
Please see http://www.openldap.org/devel/contributing.html for the correct procedure for submitting your fix if you would like it to be included.
Thanks, Quanah
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Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: http://www.symas.com