libavcodec/error_resilience.c:401: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:401:44: 
399. 
400.                     j=0;
401.                     if(mb_x>0           && fixed[mb_xy-1        ]==MV_CHANGED) j=1;
                                                ^
402.                     if(mb_x+1<mb_width  && fixed[mb_xy+1        ]==MV_CHANGED) j=1;
403.                     if(mb_y>0           && fixed[mb_xy-mb_stride]==MV_CHANGED) j=1;
