libavcodec/rv40.c:486: error: Uninitialized Value
  The value read from mb_strong[_] was never initialized.

libavcodec/rv40.c:486:83: 
484.                 }
485.                 // filter left block edge in edge mode (with high filtering strength)
486.                 if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
                                                                                       ^
487.                     clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
488.                     rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
