Fix incorrect mknod's for ipl: iplnat -> ipnat and iplstate -> ipstate

src/etc/etc.alpha/MAKEDEV

@@ -1,5 +1,5 @@
 #!/bin/sh -
-#	$OpenBSD: MAKEDEV,v 1.31 1998/01/26 04:19:33 dgregor Exp $
+#	$OpenBSD: MAKEDEV,v 1.32 1998/02/16 01:00:35 dgregor Exp $
 #	$NetBSD: MAKEDEV,v 1.8.4.1 1996/06/18 00:41:56 cgd Exp $
 #
 # Copyright (c) 1990 The Regents of the University of California.
@@ -408,8 +408,8 @@ random|srandom|urandom|prandom|arandom)
 ipl)
 	rm -f ipl ipnat ipstate 
 	mknod ipl c 35 0
-	mknod iplnat c 35 1
-	mknod iplstate c 35 2
+	mknod ipnat c 35 1
+	mknod ipstate c 35 2
 	chown root.wheel ipl ipnat ipstate 
 	;;