$NetBSD$

--- main/sparse/make_sparse.h.orig	2006-10-20 12:53:46.000000000 +0200
+++ main/sparse/make_sparse.h	2006-10-20 12:54:36.000000000 +0200
@@ -209,8 +209,6 @@
 
 #include <string>
 
-using namespace std;
-
 class ostream;
 
 #ifdef NEED_OCTAVE_QUIT
