libavformat/wavdec.c:160: error: Uninitialized Value
  The value read from umid_parts[_] was never initialized.

libavformat/wavdec.c:160:17: 
158.             } else {
159.                 /* extended UMID */
160.                 snprintf(temp, sizeof(temp),
                     ^
161.                          "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64
162.                          "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
