Merged r4991:5154 from branches/SDL-1.2/src/audio/alsa: many 1.2.14 ALSA fixes.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404378

src/audio/alsa/SDL_alsa_audio.h

@@ -36,9 +36,6 @@ struct SDL_PrivateAudioData
     /* The audio device handle */
     snd_pcm_t *pcm_handle;
 
-    /* The parent process id, to detect when application quits */
-    pid_t parent;
-
     /* Raw mixing buffer */
     Uint8 *mixbuf;
     int mixlen;