fix typo, fix unused variable

lib/mapObjects/MiscObjects.cpp

@@ -1328,7 +1328,9 @@ void HillFort::fillUpgradeInfo(UpgradeInfo & info, const CStackInstance &stack)
 
 	for(const auto & nid : stack.getCreature()->upgrades)
 	{
-		info.addUpgrade(nid, (nid, (nid.toCreature()->getFullRecruitCost() - stack.getType()->getFullRecruitCost()) * costModifier / 100), costModifier >= 0);
+		info.addUpgrade(nid, 
+						(nid.toCreature()->getFullRecruitCost() - stack.getType()->getFullRecruitCost() * costModifier / 100), 
+						costModifier >= 0);
 	}
 }
 

server/CGameHandler.cpp

@@ -2419,7 +2419,6 @@ bool CGameHandler::upgradeCreature(ObjectInstanceID objid, SlotID pos, CreatureI
 	PlayerColor player = obj->tempOwner;
 	const PlayerState *p = getPlayerState(player);
 	int crQuantity = obj->stacks.at(pos)->count;
-	int newIDpos= vstd::find_pos(ui.getAvailableUpgrades(), upgID);//get position of new id in UpgradeInfo
 
 	//check if upgrade is possible
 	if (!ui.hasUpgrades() && complain("That upgrade is not possible!"))