AAC Decoder: Use osi_free() to free buffers allocated by osi_malloc() am: 964cafb8

typedef struct {

  HANDLE_AACDECODER aac_handle;

  bool has_aac_handle;  // True if aac_handle is valid

  INT_PCM* decode_buf;

  INT_PCM* decode_buf = nullptr;

  decoded_data_callback_t decode_callback;

} tA2DP_AAC_DECODER_CB;

void a2dp_aac_decoder_cleanup(void) {

  if (a2dp_aac_decoder_cb.has_aac_handle)

    aacDecoder_Close(a2dp_aac_decoder_cb.aac_handle);

  free(a2dp_aac_decoder_cb.decode_buf);

  osi_free(a2dp_aac_decoder_cb.decode_buf);

  memset(&a2dp_aac_decoder_cb, 0, sizeof(a2dp_aac_decoder_cb));

}