update librelp to version 1.9.0

The TLS tests currently fail when executed with libressl. Partly
because of bogus information in the certificates used by the tests.
GnuTLS and OpenSSL apparently accept that. Our rsyslog which uses
librelp is linked with GnuTLS.

ok tb

sysutils/librelp/Makefile

@@ -1,10 +1,10 @@
-# $OpenBSD: Makefile,v 1.17 2020/08/25 05:48:54 remi Exp $
+# $OpenBSD: Makefile,v 1.18 2021/02/10 21:26:44 remi Exp $
 
 COMMENT =	reliable event logging protocol library
 
-DISTNAME =	librelp-1.6.0
+DISTNAME =	librelp-1.9.0
 
-SHARED_LIBS +=  relp                      4.0 # 5.0
+SHARED_LIBS +=  relp                      5.0 # 5.0
 
 CATEGORIES =	sysutils
 
@@ -15,7 +15,7 @@ MAINTAINER =	Remi Locherer <remi@openbsd.org>
 # GPLv3+
 PERMIT_PACKAGE =	Yes
 
-WANTLIB =  ffi gmp gnutls hogweed iconv idn2 intl nettle p11-kit pthread
+WANTLIB =  gmp gnutls hogweed iconv idn2 intl nettle p11-kit pthread
 WANTLIB += tasn1 unistring crypto ssl
 
 MASTER_SITES =		http://download.rsyslog.com/librelp/

sysutils/librelp/distinfo

@@ -1,2 +1,2 @@
-SHA256 (librelp-1.6.0.tar.gz) = z2zJSKWz0eVrMlFYXBG+6hxbKF/L+OKa1olVx+t1+Mo=
-SIZE (librelp-1.6.0.tar.gz) = 522827
+SHA256 (librelp-1.9.0.tar.gz) = JO6ehDlg0UAKRP+u2wseyRRj34+KzKhpzAJ+0l7mvzM=
+SIZE (librelp-1.9.0.tar.gz) = 540477

sysutils/librelp/patches/patch-src_tcp_c

@@ -0,0 +1,14 @@
+$OpenBSD: patch-src_tcp_c,v 1.4 2021/02/10 21:26:44 remi Exp $
+
+Index: src/tcp.c
+--- src/tcp.c.orig
++++ src/tcp.c
+@@ -1494,7 +1494,7 @@ relpTcpSslInitCerts(relpTcp_t *const pThis, char *ownC
+ 	ENTER_RELPFUNC;
+ 
+ 	if(	ownCertFile!= NULL ) {
+-	#if OPENSSL_VERSION_NUMBER >= 0x10100000L
++	#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+ 		if (SSL_use_certificate_chain_file(pThis->ssl, ownCertFile) != 1) {
+ 	#else
+ 		if (SSL_use_certificate_file(pThis->ssl, ownCertFile, SSL_FILETYPE_PEM) != 1) {