message: [common] Fix comment in bitvec library
  Closes:
  Approved by: phlip9
diff: @@ -58,7 +58,7 @@ impl BitVec {
  #[allow(dead_code)]
  /// Sets the bit at position @pos.
  pub fn set(&mut self, pos: u8) {
  - // This is optimised to: let bucket = pos << 3;
  + // This is optimised to: let bucket = pos >> 3;
  let bucket: usize = pos as usize / BUCKET_SIZE;
  if self.inner.len() <= bucket {
  self.inner.resize(bucket + 1, 0);
  @@ -72,7 +72,7 @@ impl BitVec {
  #[allow(dead_code)]
  /// Checks if the bit at position @pos is set.
  pub fn is_set(&self, pos: u8) -> bool {
  - // This is optimised to: let bucket = pos << 3;
  + // This is optimised to: let bucket = pos >> 3;
  let bucket: usize = pos as usize / BUCKET_SIZE;
  if self.inner.len() <= bucket {
  return false;
  