@@ -40,8 +40,8 @@ private:

 public:

     conversation (const std::shared_ptr<conversation_ifc> &delegate) :

         delegate_ (delegate) {}

-    conversation() : conversation (std::shared_ptr<conversation_ifc>

-                                       (new conversation_ifc)) {}

+    conversation() : conversation (std::make_shared<conversation_ifc>()

+                                       ) {}

     conversation_result initiate (const pam_request &request)

     {

         return delegate_->initiate (request);

@@ -48,8 +48,8 @@ private:

 public:

     dual_control (std::shared_ptr<dual_control_ifc> delegate) : delegate_

         (delegate) {}

-    dual_control() : dual_control (std::shared_ptr<dual_control_ifc>

-                                       (new dual_control_ifc)) {}

+    dual_control() : dual_control (std::make_shared<dual_control_ifc>

+                                       ()) {}

     int authenticate (const pam_request &request)

     {

         return delegate_->authenticate (request);