GCAdapterConfigDiag: Make functions private where applicable

These don't need to be in the public interface.

Source/Core/DolphinWX/Config/GCAdapterConfigDiag.h

@@ -14,13 +14,13 @@ public:
   GCAdapterConfigDiag(wxWindow* const parent, const wxString& name, const int tab_num = 0);
   ~GCAdapterConfigDiag();
 
+private:
   void ScheduleAdapterUpdate();
   void UpdateAdapter(wxCommandEvent& ev);
 
-private:
-  wxStaticText* m_adapter_status;
-  int m_pad_id;
-
   void OnAdapterRumble(wxCommandEvent& event);
   void OnAdapterKonga(wxCommandEvent& event);
+
+  wxStaticText* m_adapter_status;
+  int m_pad_id;
 };