message: Fix Silver Tree Fountain effect error
diff: @@ -123,9 +123,9 @@ def greatWallEffect(city, iBuilding):
  # Silver Tree Fountain effect: free Great Person whenever a Great General is born
  @handler("greatPersonBorn")
  -def silverFountainEffect(unit, iPlayer):
  +def silverTreeFountainEffect(unit, iPlayer):
  if infos.unit(unit).getLeaderExperience() > 0 and player(iPlayer).isHasBuildingEffect(iSilverTreeFountain):
  - city = cities.owner(iPlayer).where(lambda: city.getGreatPeopleProgress() > 0).maximum(lambda city: city.getGreatPeopleProgress())
  + city = cities.owner(iPlayer).where(lambda city: city.getGreatPeopleProgress() > 0).maximum(lambda city: city.getGreatPeopleProgress())
  if city:
  iGreatPerson = find_max(range(iNumUnits), lambda iUnit: city.getGreatPeopleUnitProgress(iUnit)).result
  if iGreatPerson >= 0:
  