Tried to read from address zero

[UndeadZeratul]

Looks like I broke something with my spawner handler and 4ga shell/slug box updates...

[UndeadZeratul]

Aha! Found it, seems when I updated the 4ga box to use shells and not slugs, I forgot to update this entry...

https://github.com/HDest-Community/reusable-ammoboxes/blob/main/zscript/spawnReplacer.zs#L251