$NetBSD: patch-src_xmlrpcpp_base64.h,v 1.2 2013/09/13 06:35:55 mef Exp $

Avoid implicit conversions to bool for streams.
Require C++11 for Clang and prefer std version over tr1 when in C++11
mode.

--- src/xmlrpcpp/base64.h.orig	2013-05-03 14:39:47.000000000 +0000
+++ src/xmlrpcpp/base64.h
@@ -10,6 +10,7 @@
 #define __BASE64_H_INCLUDED__ 1
 
 #include <iterator>
+#include <ios>
 
 static
 int _base64Chars[]= {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',