* Fix prototype of db2 library initializer to work with changes introduced in error handling patch.
* Remove thread safety flag from the LDAP plugin vftable
* Work around LDAP_X_ERROR not being in all version of OpenLDAP
* Work around older OpenLDAP using ldap_opt_error_number not ldap_opt_result_code
* Source is in SRCTOP not BUILDTOP; kadmin/server got this wrong.
* Document more blocking bugs
git-svn-id: svn://anonsvn.mit.edu/krb5/users/hartmans/ldap-integ@17633
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