libavcodec/rv40.c:518: error: Uninitialized Value
  The value read from mb_strong[_] was never initialized.

libavcodec/rv40.c:518:90: 
516.                                            alpha, beta, betaC, 1, 0, 1);
517.                     }
518.                     if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
                                                                                              ^
519.                         int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0;
520.                         rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, i*8,
