Fixed bug 1632 - iOS CoreAudio doesn't close

C.W. Betts 2012-10-28 19:42:01 PDT

I noticed when looking through the CoreAudio code of SDL 2.0 that there was a
fix me wondering how iOS closed the audio system. While working on my own audio
code on PlayerPRO, I discovered that Carbon's component code was replaced in
the audio subsystem with Audio Component Services.

src/audio/coreaudio/SDL_coreaudio.c

@@ -340,9 +340,10 @@ COREAUDIO_CloseDevice(_THIS)
                                           scope, bus, &callback,
                                           sizeof(callback));
 
-            /* !!! FIXME: how does iOS free this? */
             #if MACOSX_COREAUDIO
             CloseComponent(this->hidden->audioUnit);
+            #else
+            AudioComponentInstanceDispose(this->hidden->audioUnit);
             #endif
 
             this->hidden->audioUnitOpened = 0;