message: Remove inline hint from leb128u_decode and use signed type for shift
diff: namespace fizzy
  {
  -inline constexpr uint64_t leb128u_decode(const uint8_t* input) noexcept
  +constexpr uint64_t leb128u_decode(const uint8_t* input) noexcept
  {
  uint64_t result = 0;
  - uint8_t result_shift = 0;
  + int result_shift = 0;
  for (auto byte = input;; ++byte, result_shift += 7)
  {
  