From a73cfd4c49463b6046ec4f0dd6c2b3dcd311debd Mon Sep 17 00:00:00 2001
From: Ian Bell <ian.h.bell@gmail.com>
Date: Sun, 23 Nov 2014 21:48:24 -0500
Subject: [PATCH] I'm not sure why, but this fixes VS2012+

Closes https://github.com/CoolProp/CoolProp/issues/230

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
---
 include/Configuration.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/Configuration.h b/include/Configuration.h
index 8ad0c484..69cc5b88 100644
--- a/include/Configuration.h
+++ b/include/Configuration.h
@@ -163,7 +163,8 @@ class Configuration
         /// Add an item to the configuration
         void add_item(ConfigurationItem item)
         {
-            items.insert(std::make_pair<configuration_keys, ConfigurationItem>(item.get_key(), item));
+            std::pair<configuration_keys, ConfigurationItem> pair(item.get_key(), item);
+            items.insert(pair);
         };
         
         /// Return a reference to all of the items