Index: lib/libc/locale/collate.c
===================================================================
--- lib/libc/locale/collate.c	(revision 302323)
+++ lib/libc/locale/collate.c	(working copy)
@@ -310,7 +310,7 @@
 	if ((sptr = *state) != NULL) {
 		*pri = *sptr;
 		sptr++;
-		if ((sptr == *state) || (sptr == NULL))
+		if ((sptr == *state) || (*sptr == 0))
 			*state = NULL;
 		else
 			*state = sptr;