intg: Change preference of openldap module path
The /usr/lib64 should be preffered path for searching
binary modules for openldap backends. The /usr/lib/ should
be used for storing no binary files on 64 bit platform
e.g. scripts ...
The current vresion of would choose /usr/lib/ even though
/usr/lib64 contains real openldap modules.
Reviewed-by: Nikolai Kondrashov <Nikolai.Kondrashov@redhat.com>
(cherry picked from commit bf472d2422599d14345e7cd9999289c26455c622)