Update for bitmap, image on scaling, transparancy,

wxCHECKs and no more dependance of wxBitmap on wxImage
  in its API


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1117 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/dcmemory.h

@@ -33,9 +33,9 @@ class wxMemoryDC: public wxWindowDC
   DECLARE_DYNAMIC_CLASS(wxMemoryDC)
 
 public:
-  wxMemoryDC(void);
+  wxMemoryDC();
   wxMemoryDC( wxDC *dc ); // Create compatible DC
-  ~wxMemoryDC(void);
+  ~wxMemoryDC();
   virtual void SelectObject( const wxBitmap& bitmap );
   void GetSize( int *width, int *height ) const;