Use wx-prefixed macros throughout the repository.

Change {DECLARE,IMPLEMENT}_*CLASS and {DECLARE,BEGIN,END}_EVENT_TABLE
occurrences to use the wx-prefixed version of the macros.

include/wx/dfb/dcmemory.h

@@ -30,7 +30,7 @@ private:
 
     wxBitmap m_bmp;
 
-    DECLARE_DYNAMIC_CLASS(wxMemoryDCImpl)
+    wxDECLARE_DYNAMIC_CLASS(wxMemoryDCImpl);
 };
 
 #endif // _WX_DFB_DCMEMORY_H_