audio: Rename SDL_GetAudioStreamBinding to SDL_GetAudioStreamDevice.

test/testaudiohotplug.c

@@ -88,7 +88,7 @@ static void iteration(void)
                     /* !!! FIXME: laziness, this used to loop the audio, but we'll just play it once for now on each connect. */
                     SDL_PutAudioStreamData(stream, sound, soundlen);
                     SDL_FlushAudioStream(stream);
-                    SDL_ResumeAudioDevice(SDL_GetAudioStreamBinding(stream));
+                    SDL_ResumeAudioDevice(SDL_GetAudioStreamDevice(stream));
                     /* !!! FIXME: this is leaking the stream for now. We'll wire it up to a dictionary or whatever later. */
                 }
             }