libavcodec/flacenc.c:784: error: Uninitialized Value
  The value read from var[_] was never initialized.

libavcodec/flacenc.c:784:25: 
782.                     rinv = sqrt(inv);
783.                     for(j=0; j<=max_order; j++)
784.                         var[j] *= rinv;
                             ^
785.                     weight += inv;
786.                 }else
