Create /dev/pppx by default.

src/etc/MAKEDEV.common

@@ -1,4 +1,4 @@
-vers(a, {-$OpenBSD: MAKEDEV.common,v 1.60 2012/08/23 06:15:28 deraadt Exp $-})dnl
+vers(a, {-$OpenBSD: MAKEDEV.common,v 1.61 2013/01/30 01:59:20 yasuoka Exp $-})dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
 dnl
@@ -170,6 +170,7 @@ target(all, local)dnl
 target(all, gpr, 0)dnl
 target(all, ptm)dnl
 target(all, hotplug)dnl
+target(all, pppx)dnl
 dnl
 _mkdev(all, {-all-}, {-dnl
 show_target(all)dnl