fix bug

lilikuser.php

@@ -333,7 +333,7 @@ class LilikGroup extends pippo{
 
 	function get_id($id){
 		if ($is_posix)
-			return $id;
+			return $this->$id;
 		else
 			return sprintf($user->adapters[1]->dn,$user->id);
 	}