upstream commit

fix sshkey_certify() return value for unsupported key types;
 ok markus@ deraadt@
diff --git a/sshkey.c b/sshkey.c
index 2c67809..4768790 100644
--- a/sshkey.c
+++ b/sshkey.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshkey.c,v 1.14 2015/01/26 02:59:11 djm Exp $ */
+/* $OpenBSD: sshkey.c,v 1.15 2015/03/06 01:40:56 djm Exp $ */
 /*
  * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
  * Copyright (c) 2008 Alexander von Gernler.  All rights reserved.
@@ -2464,6 +2464,7 @@
 		break;
 	default:
 		ret = SSH_ERR_INVALID_ARGUMENT;
+		goto out;
 	}
 
 	/* -v01 certs have a serial number next */