$NetBSD$

Add NetBSD support.

--- makedefs.orig	Wed Aug 31 01:03:40 2005
+++ makedefs	Tue Sep  6 11:57:49 2005
@@ -14,6 +14,8 @@ case "$SYSTEM.$RELEASE" in
                 ;;
   FreeBSD.7*)   DEFS="-DFREEBSD7"
                 ;;
+  NetBSD.*)	DEFS="-DNETBSD"
+		;;
   OpenBSD.2*)   DEFS="-DOPENBSD2"
                 ;;
   OpenBSD.3*)   DEFS="-DOPENBSD3"
