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/popupwin.h

@@ -37,7 +37,7 @@ public:
                );
     }
 
-    DECLARE_DYNAMIC_CLASS(wxPopupWindow)
+    wxDECLARE_DYNAMIC_CLASS(wxPopupWindow);
 };
 
 #endif // _WX_DFB_POPUPWIN_H_