libavcodec/aacdec.c:469: error: Uninitialized Value
  The value read from syn_ele was never initialized.

libavcodec/aacdec.c:469:9: 
467.             break;
468.         }
469.         layout_map[0][0] = syn_ele;
             ^
470.         layout_map[0][1] = get_bits(gb, 4);
471.         layout_map[0][2] = type;
