libavcodec/alac.c:545: error: Uninitialized Value
  The value read from prediction_quantitization[_] was never initialized.

libavcodec/alac.c:545:17: 
543.             if (prediction_type[chan] == 0) {
544.                 /* adaptive fir */
545.                 predictor_decompress_fir_adapt(alac->predicterror_buffer[chan],
                     ^
546.                                                alac->outputsamples_buffer[chan],
547.                                                outputsamples,
