Hi folks,
Sorry to say, this fork just isn't being maintained any more. I suggest you check out one of the following, which is being maintained and is more up to date:
https://github.com/qzix/protobuf-objc
https://github.com/alexeyxo/protobuf-objc
Special thanks to Jon Parise for putting this repository together in the first place.