added new include

Author: kai-ion

src/aws-cpp-sdk-core/include/aws/core/config/EC2InstanceProfileConfigLoader.h

@@ -6,6 +6,7 @@
 #pragma once
 
 #include <aws/core/config/AWSProfileConfigLoaderBase.h>
+#include <aws/core/client/ClientConfiguration.h>
 
 #include <aws/core/utils/memory/stl/AWSString.h>
 #include <aws/core/utils/memory/stl/AWSMap.h>
@@ -19,10 +20,7 @@ namespace Aws
         class EC2MetadataClient;
     }
 
-    namespace Client
-    {
-        struct ClientConfiguration;
-    }
+
 
     namespace Config
     {