libavcodec/h264pred.c:335: error: Uninitialized Value
  The value read from l2 was never initialized.

libavcodec/h264pred.c:335:5: 
333.     src[0+1*stride]=(l1 + l2 + 1)>>1;
334.     src[3+0*stride]=
335.     src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
         ^
336.     src[2+1*stride]=
337.     src[0+2*stride]=(l2 + l3 + 1)>>1;
