Fix an error that prevented it from reporting delay correctly.

audio_sndio.c

@@ -229,14 +229,7 @@ static void onmove_cb(void *arg, int delta) {
 
 static int delay(long *_delay) {
   pthread_mutex_lock(&sndio_mutex);
-  // debug(1,"Frames written %u, played %u.",written/framesize,played);
-  
-  //if (played > (written / framesize)) {
-    /* _delay is in frames */
-    *_delay = (written / framesize) - played;
- // } else {
- //   *_delay = 0;
- // }
+  *_delay = (written / framesize) - played;
   pthread_mutex_unlock(&sndio_mutex);
   return 0;
 }