$OpenBSD: patch-imap_imaplogin_c,v 1.3 2011/05/09 09:30:26 giovanni Exp $
--- imap/imaplogin.c.orig	Mon Apr  4 17:02:32 2011
+++ imap/imaplogin.c	Wed Apr 13 15:53:46 2011
@@ -234,7 +234,7 @@ 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);
 				}
