tgstation/-tg-station — pull request #5812 by fleure (2014-11-10 17:50:20+00:00)
Title: Fixes nozzle deleting and adds some safety to nozzle toggling

Fixes #4175

The "noz == null" check takes some time to work if the nozzle has been qdel'd. If there is some method to call that handles checking if an object has been qdel'd I'll add that into the conditional.