Adapter class: make explicitly non-copyable

src/Adapter.hh

@@ -65,7 +65,11 @@ namespace pEp {
         class Session {
         public:
             Session();
-
+            Session(const Session &) = delete;
+            Session(const Session &&) = delete;
+            Session operator=(const Session &) = delete;
+            Session operator=(const Session &&) = delete;
+            ~Session() = default;
             // Initialize()
             // Initializes the session and registers the CallbackDispatcher as callbacks
             //
@@ -110,10 +114,6 @@ namespace pEp {
             // re-creates the session using same values
             void refresh();
 
-            // Not copyable
-            Session(const Session &) = delete;
-            Session operator=(const Session &) = delete;
-
             void release();
             PEP_SESSION operator()();