message: fix compilation of test
diff: @@ -64,7 +64,7 @@ fn test<E: PairingEngine>()
  let x = E::Fr::rand(rng);
  let mut start = Instant::now();
  - let comm = a.iter().map(|a| urs.commit(&a.clone(), None).unwrap().0).collect::<Vec<_>>();
  + let comm = a.iter().map(|a| urs.commit(&a.clone()).unwrap()).collect::<Vec<_>>();
  commit += start.elapsed();
  let mask = E::Fr::rand(rng);
  