$OpenBSD: patch-imap_imaplogin_c,v 1.2 2009/10/28 14:20:19 giovanni Exp $
--- imap/imaplogin.c.orig	Sun Jun 29 22:18:36 2008
+++ imap/imaplogin.c	Mon Jun 15 15:25:07 2009
@@ -235,7 +235,7 @@ int login_callback(struct authinfo *ainfo, void *dummy
 					execl(imapd, imapd,
 					      ainfo->maildir ?
 					      ainfo->maildir:defaultmaildir,
-					      NULL);
+					      (char *)NULL);
 					fprintf(stderr, "ERR: exec(%s) failed!!\n",
 								 imapd);
 				}
