Fix spectator crash due to missing nil check in new dust gear, init Ammo to nil in World prior to nil check
#!/bin/bash
svn export --force share/hedgewars/Data ../iphone-hwengine/Data
rm -rf ../iphone-hwengine/Data/Sounds/*
rm -rf ../iphone-hwengine/Data/Music/*
rm -rf ../iphone-hwengine/Data/Locale/hedgewars_*