From e50abe647876a02fdd719566e224471b5f7425f0 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sun, 25 Dec 2016 10:36:29 +0100
Subject: [PATCH] formdata: use NULL, not 0, when returning pointers

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

diff --git a/lib/formdata.c b/lib/formdata.c
index abd2da0751..c12227623d 100644
--- a/lib/formdata.c
+++ b/lib/formdata.c
@@ -1553,7 +1553,7 @@ char *Curl_formpostheader(void *formp, size_t *len)
   struct Form *form=(struct Form *)formp;
 
   if(!form->data)
-    return 0; /* nothing, ERROR! */
+    return NULL; /* nothing, ERROR! */
 
   header = form->data->line;
   *len = form->data->length;