update to tinc-1.1pre18

drop SEPARATE_BUILD, it breaks the tests

net/tinc/Makefile

@@ -1,7 +1,5 @@
-# $OpenBSD: Makefile,v 1.15 2021/01/03 22:53:18 kn Exp $
-
 COMMENT =		Virtual Private Network (VPN) daemon
-DISTNAME =		tinc-1.1pre17
+DISTNAME =		tinc-1.1pre18
 CATEGORIES =		net security
 EPOCH =			0
 
@@ -16,7 +14,6 @@ MASTER_SITES =		https://www.tinc-vpn.org/packages/
 
 LIB_DEPENDS +=		archivers/lzo2
 
-SEPARATE_BUILD =	Yes
 CONFIGURE_STYLE =	gnu
 CONFIGURE_ENV =		CPPFLAGS="-I${LOCALBASE}/include" \
 			LDFLAGS="-L${LOCALBASE}/lib" \

net/tinc/distinfo

@@ -1,2 +1,2 @@
-SHA256 (tinc-1.1pre17.tar.gz) = YbnJ+fOWdoVR85IW7cxBkYxlkJ/9mvBx/rO1+fmsHCc=
-SIZE (tinc-1.1pre17.tar.gz) = 927313
+SHA256 (tinc-1.1pre18.tar.gz) = J1fdxiz2S0EfVp2y+oXCXshGwNsRACP2vvszaR8HiYY=
+SIZE (tinc-1.1pre18.tar.gz) = 732111

net/tinc/patches/patch-test_splice_c

@@ -1,16 +0,0 @@
-$OpenBSD: patch-test_splice_c,v 1.1 2021/01/03 22:53:18 kn Exp $
-
-Include <sys/select.h> to fix
-  error: use of undeclared identifier 'fd_set'
-
-Index: test/splice.c
---- test/splice.c.orig
-+++ test/splice.c
-@@ -23,6 +23,7 @@
- #include <errno.h>
- #include <sys/types.h>
- #include <sys/socket.h>
-+#include <sys/select.h>
- #include <netdb.h>
- 
- #ifdef HAVE_MINGW

net/tinc/pkg/PLIST

@@ -1,4 +1,3 @@
-@comment $OpenBSD: PLIST,v 1.5 2021/01/03 22:53:18 kn Exp $
 @newgroup _tinc:759
 @newuser _tinc:759:_tinc:daemon:tinc user:/var/empty:/sbin/nologin
 @rcscript ${RCDIR}/tincd
@@ -9,6 +8,9 @@
 @man man/man8/tincd.8
 @bin sbin/tinc
 @bin sbin/tincd
+share/bash-completion/
+share/bash-completion/completions/
+share/bash-completion/completions/tinc
 share/examples/tinc/
 share/examples/tinc/hosts/
 @mode 750

net/tinc/pkg/tincd.rc

@@ -1,6 +1,4 @@
 #!/bin/ksh
-#
-# $OpenBSD: tincd.rc,v 1.2 2018/01/11 19:27:08 rpe Exp $
 
 daemon="${TRUEPREFIX}/sbin/tincd"
 daemon_flags="-U _tinc --chroot --net=example"