Switch deprecated OSAtomicIncrement32Barrier to atomic_fetch_add
Switch deprecated OSAtomicIncrement32Barrier to atomic_fetch_add

kzaher/RxSwift,kzaher/RxSwift,kzaher/RxSwift,ReactiveX/RxSwift,ReactiveX/RxSwift,kzaher/RxSwift,ReactiveX/RxSwift