termencoding: change "need root" to "use root"

This allows root to be removed from the boot runlevel which is needed
sometimes when the root fs is mounted read-only.

Reported-By: Maxim Kammerer <mk@dee.su>
X-Gentoo-Bug: 400921
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=400921

init.d/termencoding.in

@@ -10,7 +10,7 @@ ttyn=${rc_tty_number:-${RC_TTY_NUMBER:-12}}
 depend()
 {
 	keyword -openvz -prefix -uml -vserver -xenu
-	need root
+	use root
 	after bootmisc
 }