Yes you might get BCH on your bitfinex but you might have to wait to trade them for real btc or usd.
Keep an eye on their twitter handler, when difficulty of bitcoincash chain will be adjusted we may see few blocks than bitfinex along with many other exchange platforms will list bitcoincash for trading.
So its safe for me to use shapeshift.io to convert my BTC into ethereum in my coinbase wallet where I intend to cash it out right now and I will still have my BCH in bitfinex and will appear after they allow withdrawals? Really need to know because I've been missing out on growth I saw coming on ETH today -.-