libavcodec/mjpegdec.c:594: error: Uninitialized Value
  The value read from re_size_plus8 was never initialized.

libavcodec/mjpegdec.c:594:17: 
592.                 UPDATE_CACHE(re, &s->gb);
593.                 val = SHOW_UBITS(re, &s->gb, 1);
594.                 LAST_SKIP_BITS(re, &s->gb, 1);
                     ^
595.                 ZERO_RUN;
596.                 j = s->scantable.permutated[i];
