message: Avoid producer deactivation corner case
diff: @@ -89,7 +89,7 @@ namespace eosiosystem {
  he gets deactivated if he hasn't produced in 24 hours.
  */
  if ( it->time_became_active.slot == 0 ||
  - block_time.slot > it->time_became_active.slot + blocks_per_day ) {
  + block_time.slot > it->time_became_active.slot + 23 * blocks_per_hour ) {
  _producers.modify( *it, 0, [&](auto& p) {
  p.time_became_active = block_time;
  });
  