Create /dev/pcvtctl mode 600.

src/etc/etc.i386/MAKEDEV

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: MAKEDEV,v 1.83 2000/09/01 05:46:57 aaron Exp $
+#	$OpenBSD: MAKEDEV,v 1.84 2000/10/16 14:57:56 aaron Exp $
 #	$NetBSD: MAKEDEV,v 1.40 1996/03/31 00:50:47 perry Exp $
 #
 # Copyright (c) 1990 The Regents of the University of California.
@@ -293,6 +293,7 @@ pcvtctl)
 	rm -f pcvtctl
 	mknod pcvtctl c 12 255
 	chown root.wheel pcvtctl
+	chmod 600 pcvtctl
 	;;
 
 ttyc*)