to_string fixes

[SVN r44164]

test/to_string_fail.cpp

@@ -0,0 +1,23 @@
+//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
+
+//Distributed under the Boost Software License, Version 1.0. (See accompanying
+//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/exception/to_string.hpp>
+
+namespace
+n1
+    {
+    struct
+    c1
+        {
+        };
+    }
+
+int
+tester()
+    {
+	using namespace boost;
+	(void) to_string(n1::c1());
+	return 1;
+    }