More border rationalisation. GetDefaultBorder is now mostly defined in base class files.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49893 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/hyperlink.h

@@ -69,6 +69,8 @@ public:
     //       wxWindow::Get/SetFont, wxWindow::Get/SetCursor are important !
 
 protected:
+    virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
+
     // checks for validity some of the ctor/Create() function parameters
     void CheckParams(const wxString& label, const wxString& url, long style);