Fix build

lib/gameState/CGameStateCampaign.cpp

@@ -505,7 +505,7 @@ void CGameStateCampaign::generateCampaignHeroesToReplace()
 			if (!gameState->players.at(placeholder->getOwner()).isHuman())
 				continue;
 
-			CGHeroInstance * hero = campaignState->crossoverDeserialize(*nodeListIter, gameState->map.get());
+			auto hero = campaignState->crossoverDeserialize(*nodeListIter, gameState->map.get());
 			nodeListIter++;
 
 			logGlobal->info("Hero crossover: Loading placeholder as %d (%s)", hero->getHeroType(), hero->getNameTranslated());

lib/gameState/TavernHeroesPool.cpp

@@ -101,7 +101,7 @@ std::vector<const CGHeroInstance *> TavernHeroesPool::getHeroesFor(PlayerColor c
 
 	for(const auto & slot : currentTavern)
 	{
-		assert(slot.hero != nullptr);
+		assert(slot.hero.hasValue());
 		if (slot.player == color)
 			result.push_back(owner->getMap().tryGetFromHeroPool(slot.hero));
 	}