$OpenBSD: patch-imap-send_c,v 1.8 2010/06/20 11:49:41 bernd Exp $
--- imap-send.c.orig	Sat Apr 24 04:38:35 2010
+++ imap-send.c	Mon Apr 26 10:22:14 2010
@@ -1064,7 +1064,7 @@ static struct store *imap_open_store(struct imap_serve
 	/* open connection to IMAP server */
 
 	if (srvc->tunnel) {
-		const char *argv[] = { srvc->tunnel, NULL };
+		const char *argv[] = { srvc->tunnel, (void *)NULL };
 		struct child_process tunnel = {0};
 
 		imap_info("Starting tunnel '%s'... ", srvc->tunnel);
