message: Bugfix
  Display "lag" of command "info replication" may overflow.
diff: @@ -801,8 +801,8 @@ int32_t PikaServer::GetSlaveListString(std::string& slave_list_str) {
  continue;
  } else {
  uint64_t lag =
  - (master_boffset.filenum - sent_slave_boffset.filenum) * g_pika_conf->binlog_file_size()
  - + (master_boffset.offset - sent_slave_boffset.offset);
  + (uint64_t)(master_boffset.filenum - sent_slave_boffset.filenum) * g_pika_conf->binlog_file_size()
  + + master_boffset.offset - sent_slave_boffset.offset;
  tmp_stream << "(" << partition->PartitionName() << ":" << lag << ")";
  }
  } else {
  