std.math.big.int: Fix typo

- `bytes` -> `buffer`
- Correct naming consistency between
  1. fn argument and doc comment of `(read|write)PackedTwosComplement`
  2. fn arguments of `(read|write)PackedTwosComplement` and `(read|write)TwosComplement`
ec58b475b7Mizuochi Keita committed on 5/29/2023, 10:04:55 AM· committed by Veikka Tuominenparent4422af8
1 file changedLine totals unavailable