When attacking, only the first two sounds of each weapon type are used, not the third

https://github.com/doublespeakgames/adarkroom/blob/48ece588ed65e3c1c412ee57143ef447185cd0c9/script/events.js#L425

The problem here is that this expression can only produce 1 or 2, not 3. It should be changed to * 3 instead of * 2, to use all three variations of each weapon sound.