libavcodec/error_resilience.c:485: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:485:49: 
483.                     if (mb_y > 0             && fixed[mb_xy - mb_stride] == MV_FROZEN)
484.                         j = 1;
485.                     if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] == MV_FROZEN)
                                                     ^
486.                         j = 1;
487.                     if (j == 0)
