This seems to have cropped up recently with Stretch and I’m not quite sure what’s going on yet. There have been a few other reports of similar crashing problems with VLC, though, so you’re not alone.
http://forums.pimoroni.com/t/pirate-radio-kit/5806
http://forums.pimoroni.com/t/pirate-radio-after-update-from-jessie-to-stretch-instable/5698