Index: generic/nsfUtil.c
===================================================================
diff -u -r4fa580aed7f0c54c8e09ec6bb1fc1b46789334ed -r8eecbe5b3a2640ba1d3e1dc6dc5e9cec0c2a26ba
--- generic/nsfUtil.c	(.../nsfUtil.c)	(revision 4fa580aed7f0c54c8e09ec6bb1fc1b46789334ed)
+++ generic/nsfUtil.c	(.../nsfUtil.c)	(revision 8eecbe5b3a2640ba1d3e1dc6dc5e9cec0c2a26ba)
@@ -223,7 +223,7 @@
 
   nonnull_assert(iss != NULL);
 
-  for (p=alphabet; *p; p++) {
+  for (p=alphabet; *p != '\0'; p++) {
     chartable[(int)*p] = ++i;
   }