libavcodec/h264pred.c:857: error: Uninitialized Value
  The value read from l7 was never initialized.

libavcodec/h264pred.c:857:5: 
855.     PREDICT_8x8_LOAD_LEFT;
856.     PREDICT_8x8_LOAD_TOPLEFT;
857.     SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
         ^
858.     SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
859.     SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
