message: refactor: Make CFeeRate constructor architecture-independent
diff: @@ -20,8 +20,8 @@ FUZZ_TARGET(fee_rate)
  const CFeeRate fee_rate{satoshis_per_k};
  (void)fee_rate.GetFeePerK();
  - const size_t bytes = fuzzed_data_provider.ConsumeIntegral<size_t>();
  - if (!MultiplicationOverflow(static_cast<int64_t>(bytes), satoshis_per_k) && bytes <= static_cast<uint64_t>(std::numeric_limits<int64_t>::max())) {
  + const auto bytes = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
  + if (!MultiplicationOverflow(int64_t{bytes}, satoshis_per_k)) {
  (void)fee_rate.GetFee(bytes);
  }
  (void)fee_rate.ToString();
  