message: Fix cores for formable nations
diff: @@ -1196,7 +1196,7 @@ vector<string> V2Province::getCulturesOverThreshold(float percentOfPopulation) c
  }
  if (totalPopulation > 0)
  {
  - cultureAmount->second += pop->getSize() / totalPopulation;
  + cultureAmount->second += 1.0 * pop->getSize() / totalPopulation;
  }
  }
  