make init.sh and init-early.sh honor SYSCONFDIR

Fixes hardcoded paths that break when built with SYSCONFDIR
set to anything other than /etc/

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>

sh/init-early.sh.Linux.in

@@ -7,7 +7,7 @@
 
 service_present()
 {
-	local p="/etc/runlevels/$1/$2"
+	local p="@SYSCONFDIR@/runlevels/$1/$2"
 	# fail if the file doesn't exist
 	[ ! -e "$p" ] && return 1
 	# succeed if $RC_SYS empty, can't check further, assume script will run

sh/init.sh.BSD.in

@@ -22,7 +22,7 @@ mount_svcdir()
 }
 
 . "$RC_LIBEXECDIR"/sh/functions.sh
-[ -r /etc/rc.conf ] && . /etc/rc.conf
+[ -r "@SYSCONFDIR@/rc.conf" ] && . "@SYSCONFDIR@/rc.conf"
 
 # Disable devd until we need it
 if [ -z "$RC_SYS" -a "$RC_UNAME" = "FreeBSD" ]; then

sh/init.sh.Linux.in

@@ -4,7 +4,7 @@
 # Released under the 2-clause BSD license.
 
 . "$RC_LIBEXECDIR"/sh/functions.sh
-[ -r /etc/rc.conf ] && . /etc/rc.conf
+[ -r "@SYSCONFDIR@/rc.conf" ] && . "@SYSCONFDIR@/rc.conf"
 
 # By default VServer already has /proc mounted, but OpenVZ does not!
 # However, some of our users have an old proc image in /proc