$NetBSD: patch-aj,v 1.1 2008/02/18 18:22:18 jlam Exp $

--- lib/pam_vprompt.c.orig	2007-12-21 06:36:24.000000000 -0500
+++ lib/pam_vprompt.c
@@ -73,7 +73,7 @@ pam_vprompt(const pam_handle_t *pamh,
 		openpam_log(PAM_LOG_ERROR, "no conversation function");
 		RETURNC(PAM_SYSTEM_ERR);
 	}
-	vsnprintf(msgbuf, PAM_MAX_MSG_SIZE, fmt, ap);
+	vsnprintf(msgbuf, (size_t)PAM_MAX_MSG_SIZE, fmt, ap);
 	msg.msg_style = style;
 	msg.msg = msgbuf;
 	msgp = &msg;