AtariVox controller was mistakenly reported as SaveKey in the logs.

src/emucore/AtariVox.hxx

@@ -79,6 +79,11 @@ class AtariVox : public SaveKey
     */
     void update() override { }
 
+    /**
+      Returns the name of this controller.
+    */
+    string name() const override { return "AtariVox"; }
+
     /**
       Notification method invoked by the system after its reset method has
       been called.  It may be necessary to override this method for