libavcodec/eval.c:388: error: Uninitialized Value
  The value read from wp was never initialized.

libavcodec/eval.c:388:6: 
386.     while (*s)
387.         if (!isspace(*s++)) *wp++ = s[-1];
388.     *wp++ = 0;
          ^
389. 
390.     p.stack_index=100;
