message: no variadic max duh
diff: @@ -1656,7 +1656,7 @@ optional<block_id_type> controller::pending_producer_block_id()const {
  }
  uint32_t controller::last_irreversible_block_num() const {
  - return std::max(my->head->bft_irreversible_blocknum, my->head->dpos_irreversible_blocknum, my->snapshot_head_block);
  + return std::max(std::max(my->head->bft_irreversible_blocknum, my->head->dpos_irreversible_blocknum), my->snapshot_head_block);
  }
  block_id_type controller::last_irreversible_block_id() const {
  