libavcodec/4xm.c:212: error: Uninitialized Value
  The value read from temp[_] was never initialized.

libavcodec/4xm.c:212:9: 
210. 
211.         z13 = temp[5 + i] + temp[3 + i];
212.         z10 = temp[5 + i] - temp[3 + i];
             ^
213.         z11 = temp[1 + i] + temp[7 + i];
214.         z12 = temp[1 + i] - temp[7 + i];
