message: platform: avoid name confliction between platform header and emscripten-libc
diff: @@ -223,7 +223,7 @@ typedef int os_fd_t;
  // Therefore, we decided to remove the Android check introduced here in
  // https://github.com/envoyproxy/envoy/pull/10120. If someone out there encounters problems with
  // this please bring up in Envoy's slack channel #envoy-udp-quic-dev.
  -#if defined(__linux__)
  +#if defined(__linux__) || defined(__EMSCRIPTEN__)
  #define ENVOY_MMSG_MORE 1
  #else
  #define ENVOY_MMSG_MORE 0
  