[C++]Disable exp sharing with summon

    void Creature::addDamagePoints(Creature* attacker, int32_t damagePoints)
    {
    	uint32_t attackerId = 0;
    	if(attacker)
    	{
    		if(Creature* master = attacker->getMaster())
    			attacker = master;

    		attackerId = attacker->getID();
    	}

    	if(attacker->getPlayer())
    	{
    		CountMap::iterator it = damageMap.find(attackerId);
    		if(it != damageMap.end())
    		{
    			it->second.ticks = OTSYS_TIME();
    			if(damagePoints > 0)
    				it->second.total += damagePoints;
    		}
    		else
    			damageMap[attackerId] = CountBlock_t(damagePoints);
    	}

    	if(damagePoints > 0)
    		lastHitCreature = attackerId;
    }