[Midnightbsd-cvs] src [11745] trunk/usr.bin/spell/spellprog/spellprog.c: fix some warnings

[laffer1 at midnightbsd.org]

Revision: 11745
          http://svnweb.midnightbsd.org/src/?rev=11745
Author:   laffer1
Date:     2018-07-10 19:32:41 -0400 (Tue, 10 Jul 2018)
Log Message:
-----------
fix some warnings

Modified Paths:
--------------
    trunk/usr.bin/spell/spellprog/spellprog.c

Modified: trunk/usr.bin/spell/spellprog/spellprog.c
===================================================================
--- trunk/usr.bin/spell/spellprog/spellprog.c	2018-07-10 23:25:14 UTC (rev 11744)
+++ trunk/usr.bin/spell/spellprog/spellprog.c	2018-07-10 23:32:41 UTC (rev 11745)
@@ -1,4 +1,4 @@
-/* $MidnightBSD: src/usr.bin/spell/spellprog/spellprog.c,v 1.2 2011/12/31 00:19:43 laffer1 Exp $ */
+/* $MidnightBSD$ */
 /*	$NetBSD: spellprog.c,v 1.6 2006/10/22 16:36:44 christos Exp $	*/
 
 /* derived from OpenBSD: spellprog.c,v 1.4 2003/06/03 02:56:16 millert Exp */
@@ -455,7 +455,7 @@
 		if ((*t->p1)(ep - t->n1, t->d1, t->a1, lev + 1))
 			return 1;
 		if (t->p2 != NULL) {
-			deriv.buf[lev] = deriv.buf[lev + 1] = '\0';
+			deriv.buf[lev] = deriv.buf[lev + 1] = NULL;
 			return (*t->p2)(ep - t->n2, t->d2, t->a2, lev);
 		}
 		return 0;
@@ -725,7 +725,7 @@
 		if ( pp - space >= (int)sizeof(space))
 			return 0;
 	}
-	deriv.buf[lev + 1] = deriv.buf[lev + 2] = '\0';
+	deriv.buf[lev + 1] = deriv.buf[lev + 2] = NULL;
 	return val;
 }