From f09abae01503136d974a3a969cc2b8a6a6f83abe Mon Sep 17 00:00:00 2001
From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Wed, 19 Oct 2016 23:27:13 +0100
Subject: [PATCH] Replace `(char *)0' et al with `NULL'. None of them are
 vararg parameters.

---
 uip/rmf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/uip/rmf.c b/uip/rmf.c
index f6cb4e82..31774745 100644
--- a/uip/rmf.c
+++ b/uip/rmf.c
@@ -154,7 +154,7 @@ rmf (char *folder)
      *	Run the external delete hook program.
      */
 
-    (void)ext_hook("del-hook", maildir, (char *)0);
+    (void)ext_hook("del-hook", maildir, NULL);
 
     j = strlen(BACKUP_PREFIX);
     while ((dp = readdir (dd))) {
-- 
2.56.0