etc/rc and etc/rc.shutdown: change references from rc to openrc

etc/rc.in

@@ -10,9 +10,9 @@
 trap : SIGINT
 trap "echo 'Boot interrupted'; exit 1" SIGQUIT
 
-/sbin/rc sysinit || exit 1
-/sbin/rc boot || exit 1
-/sbin/rc default
+/sbin/openrc sysinit || exit 1
+/sbin/openrc boot || exit 1
+/sbin/openrc default
 
 # We don't actually care if rc default worked or not, we should exit 0
 # to allow logins

etc/rc.shutdown.in

@@ -14,4 +14,4 @@ LD_LIBRARY_PATH="/lib${LD_LIBRARY_PATH:+:}${LDLIBRARY_PATH}" ; export LD_LIBRARY
 [ -z "$TERM" -o "$TERM" = "dumb" ] && TERM="@TERM@" && export TERM
 
 action=${1:-shutdown}
-exec /sbin/rc "${action}"
+exec /sbin/openrc "${action}"