libavcodec/lpc.h:69: error: Uninitialized Value
  The value read from err was never initialized.

libavcodec/lpc.h:69:47: 
67.         err = *autoc++;
68. 
69.     if (fail && (autoc[max_order - 1] == 0 || err <= 0))
                                                  ^
70.         return -1;
71. 
