$OpenBSD: patch-imap-send_c,v 1.9 2010/10/07 09:42:23 bernd Exp $
--- imap-send.c.orig	Fri Aug 20 01:44:47 2010
+++ imap-send.c	Thu Sep  2 11:12:51 2010
@@ -1068,7 +1068,7 @@ 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);
