message: Silence new warning on watchOS due to clang having more strict flags now
diff: @@ -4859,7 +4859,7 @@ inline void out_olddatetime(std::ostream& out, OldDateTime value)
  inline void out_timestamp(std::ostream& out, Timestamp value)
  {
  // FIXME: Do we want to output the full precision to json?
  - time_t rawtime = value.get_seconds();
  + time_t rawtime = time_t(value.get_seconds());
  struct tm* t = gmtime(&rawtime);
  if (t) {
  // We need a buffer for formatting dates (and binary to hex). Max
  