message: Fix off-by-one so pedersen_hash doesn't consume too many generators.
diff: @@ -26,12 +26,12 @@ where
  assert_eq!(personalization.len(), 6);
  let mut edwards_result = None;
  - let mut bits = personalization.iter().chain(bits.iter());
  + let mut bits = personalization.iter().chain(bits.iter()).peekable();
  let mut segment_generators = params.pedersen_circuit_generators().iter();
  let boolean_false = Boolean::constant(false);
  let mut segment_i = 0;
  - loop {
  + while bits.peek().is_some() {
  let mut segment_result = None;
  let mut segment_windows = &segment_generators.next().expect("enough segments")[..];
  