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/filedlg.h

@@ -167,7 +167,7 @@ private:
     ExtraControlCreatorFunction m_extraControlCreator;
 
     void Init();
-    DECLARE_DYNAMIC_CLASS(wxFileDialogBase)
+    wxDECLARE_DYNAMIC_CLASS(wxFileDialogBase);
     wxDECLARE_NO_COPY_CLASS(wxFileDialogBase);
 };