message: info: static_assert has two arguments with C++11
diff: @@ -117,7 +117,8 @@ void InfoImpl::process_autopilot_version(const mavlink_message_t &message)
  const char *product_name = product_id_str(autopilot_version.product_id);
  STRNCPY(_product.product_name, product_name, sizeof(_product.product_name) - 1);
  - static_assert(sizeof(_identification.hardware_uid) == sizeof(autopilot_version.uid2));
  + static_assert(sizeof(_identification.hardware_uid) == sizeof(autopilot_version.uid2),
  + "UID length mismatch");
  std::memcpy(
  _identification.hardware_uid, autopilot_version.uid2, sizeof(autopilot_version.uid2));
  