$NetBSD$

--- rig.cc.orig	2006-04-23 14:42:22.000000000 +0000
+++ rig.cc
@@ -16,6 +16,7 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  * USA. */
 
+#include <cstring>
 #include <iostream>
 #include <iomanip>
 #include <fstream>