Make rand_add predictable when fuzzing
GH:
@@ -126,6 +126,11 @@ static int rand_add(const void *buf, int num, double add)
if (!num)
return 1;
+#ifdef PREDICT
+ if (rand_predictable)
+ return 1;
+#endif
+
/*
* (Based on the rand(3) manpage)
*
