message: Silence equal-expression warning, close
diff: @@ -120,7 +120,11 @@ void close_socket(native_socket fd) {
  }
  bool would_block_or_temporarily_unavailable(int errcode) {
  +# if EAGAIN != EWOULDBLOCK
  return errcode == EAGAIN || errcode == EWOULDBLOCK;
  +# else
  + return errcode == EAGAIN;
  +# endif
  }
  string last_socket_error_as_string() {
  