From 1577c548d18bdff22cd7bf127a57969d82402e3b Mon Sep 17 00:00:00 2001
From: Dave Rodgman <dave.rodgman@arm.com>
Date: Fri, 9 Sep 2022 10:22:15 +0100
Subject: [PATCH] Use NULL instead of 0

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
---
 programs/x509/cert_write.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index 0118abd208..5a13f4e78b 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -86,7 +86,7 @@ int main( void )
 #define DFL_MAX_PATHLEN         -1
 #define DFL_SIG_ALG             MBEDTLS_MD_SHA256
 #define DFL_KEY_USAGE           0
-#define DFL_EXT_KEY_USAGE       0
+#define DFL_EXT_KEY_USAGE       NULL
 #define DFL_NS_CERT_TYPE        0
 #define DFL_VERSION             3
 #define DFL_AUTH_IDENT          1