From f9e059ac831cfb7b3a312ad0de761b7f2c6cf670 Mon Sep 17 00:00:00 2001
From: Marcelo Araujo <araujo@FreeBSD.org>
Date: Thu, 14 Apr 2016 11:41:30 +0000
Subject: [PATCH] Use NULL instead of 0 for pointers. fopen(3) returns a FILE
 pointer, otherwise NULL is returned.

MFC after:	2 weeks
---
 usr.sbin/kgmon/kgmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.sbin/kgmon/kgmon.c b/usr.sbin/kgmon/kgmon.c
index 3bc53519b3f..60c7507e647 100644
--- a/usr.sbin/kgmon/kgmon.c
+++ b/usr.sbin/kgmon/kgmon.c
@@ -355,7 +355,7 @@ dumpstate(struct kvmvars *kvp)
 
 	setprof(kvp, GMON_PROF_OFF);
 	fp = fopen("gmon.out", "w");
-	if (fp == 0) {
+	if (fp == NULL) {
 		warn("gmon.out");
 		return;
 	}