libavcodec/h264pred.c:219: error: Uninitialized Value
  The value read from l6 was never initialized.

libavcodec/h264pred.c:219:5: 
217.     src[1+3*stride]=(l4 + l6 + 2*l5 + 2)>>2;
218.     src[3+2*stride]=
219.     src[2+3*stride]=(l5 + l7 + 2*l6 + 2)>>2;
         ^
220.     src[3+3*stride]=(l6 + l7 + 1)>>1;
221. }
