libavcodec/h264pred.c:339: error: Uninitialized Value
  The value read from l3 was never initialized.

libavcodec/h264pred.c:339:5: 
337.     src[0+2*stride]=(l2 + l3 + 1)>>1;
338.     src[3+1*stride]=
339.     src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
         ^
340.     src[3+2*stride]=
341.     src[1+3*stride]=
