Please find the patch at:
https://dl.dropbox.com/u/94235048/back_ldap_omit_unknown_schema.patch
The attached file is derived from OpenLDAP Software. By virtue of my employment agreement with Symas Corporation, I have assigned my rights and interest to Symas Corporation. Symas Corporation has not assigned rights and/or interest to any party. I, Ted C. Cheng, am authorized by Symas Corporation, my employer, to release this work under the following terms.
Symas Corporation hereby place the following modifications to OpenLDAP Software (and only these modifications) into the public domain. Hence, these modifications may be freely used and/or redistributed for any purpose with or without attribution and/or other notice.
Ted C. Cheng Symas Corporation