B #5445: fix ldap group search for non rfc2307bis schema
B #5445: fix ldap group search for non rfc2307bis schema

(cherry picked from commit 4c2ad0f14436acc0ce4f0b160cb089a7e40e12c1)

baby-gnu/one,atodorov-storpool/one,atodorov-storpool/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,OpenNebula/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,atodorov-storpool/one,baby-gnu/one,OpenNebula/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,baby-gnu/one,OpenNebula/one,atodorov-storpool/one,baby-gnu/one,baby-gnu/one,OpenNebula/one,OpenNebula/one