Wrap <rpc/*.h> so that calls go direct and the symbols are all weak.

Hide __xprt_register() and _authenticate(); truncate <rpc/svc_auth.h>
ok deraadt@

src/include/rpc/svc.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: svc.h,v 1.13 2014/10/29 04:34:21 guenther Exp $	*/
+/*	$OpenBSD: svc.h,v 1.14 2015/09/13 15:36:57 guenther Exp $	*/
 /*	$NetBSD: svc.h,v 1.9 1995/04/29 05:28:01 cgd Exp $	*/
 
 /*
@@ -193,7 +193,6 @@ __END_DECLS
  */
 __BEGIN_DECLS
 extern void	xprt_register(SVCXPRT *);
-extern int	__xprt_register(SVCXPRT *);
 __END_DECLS
 
 /*

src/include/rpc/svc_auth.h

@@ -1,52 +1 @@
-/*	$OpenBSD: svc_auth.h,v 1.4 2010/09/01 14:43:34 millert Exp $	*/
-/*	$NetBSD: svc_auth.h,v 1.4 1994/10/26 00:57:07 cgd Exp $	*/
-
-/*
- * Copyright (c) 2010, Oracle America, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- *       copyright notice, this list of conditions and the following
- *       disclaimer in the documentation and/or other materials
- *       provided with the distribution.
- *     * Neither the name of the "Oracle America, Inc." nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *	from: @(#)svc_auth.h 1.6 86/07/16 SMI
- *	@(#)svc_auth.h	2.1 88/07/29 4.0 RPCSRC
- */
-
-/*
- * svc_auth.h, Service side of rpc authentication.
- */
-
-#ifndef _RPC_SVCAUTH_H
-#define _RPC_SVCAUTH_H
-
-/*
- * Server side authenticator
- */
-__BEGIN_DECLS
-extern enum auth_stat _authenticate(struct svc_req *, struct rpc_msg *);
-__END_DECLS
-
-#endif /* !_RPC_SVCAUTH_H */
+/* this file intentionally left blank */