libavcodec/rv40.c:547: error: Uninitialized Value
  The value read from clip[_] was never initialized.

libavcodec/rv40.c:547:32: 
545.             for(i = 0; i < 4; i++, Y += 4){
546.                 int ij = i + j;
547.                 int clip_cur = y_to_deblock & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
                                    ^
548.                 int dither = j ? ij : i*4;
549. 
