Add rc script, from Vadim Zhukov with some tweaks.

net/gnugk/Makefile

@@ -1,10 +1,11 @@
-# $OpenBSD: Makefile,v 1.16 2010/11/19 22:31:33 espie Exp $
+# $OpenBSD: Makefile,v 1.17 2011/05/11 09:01:26 ajacoutot Exp $
 
 SHARED_ONLY=	Yes
 
 COMMENT=	H.323 gatekeeper
 
 DISTNAME=	gnugk-2.3.2
+REVISION=	0
 
 CATEGORIES=	net telephony
 
@@ -27,7 +28,7 @@ LIB_DEPENDS=	net/h323plus \
 		databases/sqlite3
 
 USE_GMAKE=	Yes
-USE_GROFF =	Yes
+USE_GROFF=	Yes
 ALL_TARGET=	optshared addpasswd
 NO_REGRESS=	Yes
 

net/gnugk/pkg/MESSAGE

@@ -1,9 +0,0 @@
-To start gnugk on boot-up, add the following lines to /etc/rc.local:
-
-if [ -x ${PREFIX}/bin/gnugk ]; then
-	install -d -o _gnugk /var/run/gnugk
-	echo -n ' gnugk'
-	${PREFIX}/bin/gnugk -t -c ${SYSCONFDIR}/gatekeeper.ini \
-		-u _gnugk -o /var/log/gnugk/gnugk.log \
-		--pid /var/run/gnugk/gnugk.pid 1> /dev/null &
-fi

net/gnugk/pkg/PLIST

@@ -1,6 +1,7 @@
-@comment $OpenBSD: PLIST,v 1.7 2010/03/23 21:14:45 ajacoutot Exp $
+@comment $OpenBSD: PLIST,v 1.8 2011/05/11 09:01:26 ajacoutot Exp $
 @newgroup _gnugk:586
 @newuser _gnugk:586:586:daemon:Gatekeeper Daemon:/var/empty:/sbin/nologin
+@extraunexec rm -rf /var/log/gnugk/*
 @bin bin/addpasswd
 @bin bin/gnugk
 @man man/man1/gnugk.1
@@ -41,5 +42,6 @@ share/examples/gnugk/status.ini
 share/examples/gnugk/syslog.ini
 share/examples/gnugk/uri.ini
 share/examples/gnugk/vqueue.ini
+@rcscript ${RCDIR}/gnugk
 @owner _gnugk
 @sample /var/log/gnugk/

net/gnugk/pkg/gnugk.rc

@@ -0,0 +1,16 @@
+#!/bin/sh
+#
+# $OpenBSD: gnugk.rc,v 1.1 2011/05/11 09:01:26 ajacoutot Exp $
+
+daemon="${TRUEPREFIX}/bin/gnugk"
+daemon_flags="-t -c ${SYSCONFDIR}/gatekeeper.ini -u _gnugk -o /var/log/gnugk/gnugk.log"
+
+. /etc/rc.d/rc.subr
+
+rc_bg=YES
+
+rc_reload() {
+	echo reload | nc 127.0.0.1 7000
+}
+
+rc_cmd $1