From 920a10334449031acf5f879e0dfe206a49efb083 Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Sat, 26 Oct 2019 09:13:49 +0200
Subject: [PATCH] M2: ntoab

---
 lib/m2/ntoab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/m2/ntoab.c b/lib/m2/ntoab.c
index 35afaf86..b3115678 100644
--- a/lib/m2/ntoab.c
+++ b/lib/m2/ntoab.c
@@ -27,7 +27,7 @@ char *__itoa_buf;
 char *
 ntoab (int x, int base, int signed_p)
 {
-  if (! __itoa_buf)
+  if (__itoa_buf == 0)
     __itoa_buf = malloc (20);
 
   char *buf = __itoa_buf;