libavcodec/alac.c:543: error: Uninitialized Value
  The value read from prediction_type[_] was never initialized.

libavcodec/alac.c:543:17: 
541.                                         (1 << alac->setinfo_rice_kmodifier) - 1);
542. 
543.             if (prediction_type[chan] == 0) {
                     ^
544.                 /* adaptive fir */
545.                 predictor_decompress_fir_adapt(alac->predicterror_buffer[chan],
