message: Increment mDeathCount rather than overwrite it
diff: @@ -159,7 +159,7 @@ int Population::consumeFood(int food)
  // If there's no food kill everybody (humans can survive up to 21 days without food, one turn == minimum 28 days)
  if (food == 0)
  {
  - mDeathCount = mPopulation.size();
  + mDeathCount += mPopulation.size();
  clear();
  return 0;
  }
  