libavcodec/mjpegdec.c:630: error: Uninitialized Value
  The value read from re_size_plus8 was never initialized.

libavcodec/mjpegdec.c:630:13: 
628.         j = s->scantable.permutated[i];
629.         if (block[j])
630.             REFINE_BIT(j)
                 ^
631.     }
632.     CLOSE_READER(re, &s->gb);
