libavcodec/4xm.c:213: error: Uninitialized Value
  The value read from temp[_] was never initialized.

libavcodec/4xm.c:213:9: 
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];
215. 
