From ad94b0521eb3a0e05c120b510d047dd18b27c9df Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 13 Jan 2015 11:27:43 -0500
Subject: [PATCH] jsoncpp: Add missing <iosfwd> include in json/writer.h

The header uses std::ostream, so it must be declared.
---
 Utilities/cmjsoncpp/include/json/writer.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Utilities/cmjsoncpp/include/json/writer.h b/Utilities/cmjsoncpp/include/json/writer.h
index dc9e46f4b..397bf6a12 100644
--- a/Utilities/cmjsoncpp/include/json/writer.h
+++ b/Utilities/cmjsoncpp/include/json/writer.h
@@ -9,6 +9,7 @@
 #if !defined(JSON_IS_AMALGAMATION)
 #include "value.h"
 #endif // if !defined(JSON_IS_AMALGAMATION)
+#include <iosfwd>
 #include <vector>
 #include <string>