fixed a couple typos/logical errors; "devide"-> "device" in a function name, "input"-> "output" in open()
fixed a couple typos/logical errors; "devide"-> "device" in a function name, "input"-> "output" in open()

jeremyletang/rust-portaudio,mitchmindtree/rust-portaudio,RustAudio/rust-portaudio,thenyeguy/rust-portaudio,mwardle/rust-portaudio