Update orebfuscator mode 2 to fix #728: Move ITERATOR to method-local

This will prevent any possible multi-thread whackiness with double-incrementing ITERATOR.

https://github.com/riking/Spigot/commit/a1971ad758a162bc0472b43fc0958719aa090784
https://github.com/EcoCityCraft/Spigot/pull/32