GCAdapterConfigDiag: Mark OnUpdateAdapter parameter as unused.

Source/Core/DolphinWX/Config/GCAdapterConfigDiag.cpp

@@ -69,7 +69,7 @@ void GCAdapterConfigDiag::ScheduleAdapterUpdate()
   wxQueueEvent(this, new wxCommandEvent(wxEVT_ADAPTER_UPDATE));
 }
 
-void GCAdapterConfigDiag::OnUpdateAdapter(wxCommandEvent& ev)
+void GCAdapterConfigDiag::OnUpdateAdapter(wxCommandEvent& WXUNUSED(event))
 {
   bool unpause = Core::PauseAndLock(true);
   if (GCAdapter::IsDetected())

Source/Core/DolphinWX/Config/GCAdapterConfigDiag.h

@@ -17,7 +17,7 @@ public:
 private:
   void ScheduleAdapterUpdate();
 
-  void OnUpdateAdapter(wxCommandEvent& ev);
+  void OnUpdateAdapter(wxCommandEvent& event);
   void OnAdapterRumble(wxCommandEvent& event);
   void OnAdapterKonga(wxCommandEvent& event);