$NetBSD$

Add NetBSD support.

--- memdump.c.orig	Wed Aug 31 01:04:18 2005
+++ memdump.c	Tue Sep  6 11:56:08 2005
@@ -110,6 +110,7 @@
 #if defined(FREEBSD2) || defined(FREEBSD3) || defined(FREEBSD4) \
 	|| defined(FREEBSD5) || defined(FREEBSD6) || defined(FREEBSD7) \
 	|| defined(OPENBSD2) || defined(OPENBSD3) \
+	|| defined(NETBSD) \
 	|| defined(BSDI2) || defined(BSDI3) || defined(BSDI4)
 #include <sys/param.h>
 #include <sys/sysctl.h>
