[gh-447] Hide administrators at admin/people from non-administrators unless...

[gh-447] Hide administrators at admin/people from non-administrators unless the adiministrator belongs to other roles.

sites/all/modules/unl/unl.module

@@ -1510,6 +1510,9 @@ function unl_query_alter(QueryAlterableInterface $query) {
     if ($usersTableAlias) {
       // Join it with the users_roles tables so that only users with roles are seleceted.
       $query->join('users_roles', 'unl_distinct_prefix_r', $usersTableAlias . '.uid = unl_distinct_prefix_r.uid');
+      if (unl_user_is_administrator()) {
+        $query->where('unl_distinct_prefix_r.rid != ' . unl_shared_variable_get('user_admin_role', -1));
+      }
     }
   }
 }