message: Fix Nationhood reference in civics stability code
diff: @@ -1757,7 +1757,7 @@ def getCivicStability(iPlayer, lCivics):
  if iDespotism in civics:
  if iSlavery in civics: iStability += 2
  - if iNationalism in civics: iStability += 3
  + if iNationhood in civics: iStability += 3
  if iCasteSystem in civics:
  if civics.any(iCitizenship, iMeritocracy): iStability -= 4
  