message: fuzz: Avoid designated initialization (C++20) in fuzz tests
diff: @@ -269,8 +269,8 @@ inline CNetAddr ConsumeNetAddr(FuzzedDataProvider& fuzzed_data_provider) noexcep
  const Network network = fuzzed_data_provider.PickValueInArray({Network::NET_IPV4, Network::NET_IPV6, Network::NET_INTERNAL, Network::NET_ONION});
  CNetAddr net_addr;
  if (network == Network::NET_IPV4) {
  - const in_addr v4_addr = {
  - .s_addr = fuzzed_data_provider.ConsumeIntegral<uint32_t>()};
  + in_addr v4_addr = {};
  + v4_addr.s_addr = fuzzed_data_provider.ConsumeIntegral<uint32_t>();
  net_addr = CNetAddr{v4_addr};
  } else if (network == Network::NET_IPV6) {
  if (fuzzed_data_provider.remaining_bytes() >= 16) {
  