Fixed buttons having no border in wxUniv by default.

Buttons had a border of wxBORDER_NONE resulting in wxButton::DoDraw not drawing the button's border. Fixed by adding wxAnyButton::GetDefaultBorder() for wxUniv which returns wxBORDER_STATIC. Regression since r67931.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68900 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/anybutton.h

@@ -0,0 +1,33 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/univ/anybutton.h
+// Purpose:     wxAnyButton class
+// Author:      Vadim Zeitlin
+// Created:     2000-08-15 (extracted from button.h)
+// RCS-ID:      $Id$
+// Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIV_ANYBUTTON_H_
+#define _WX_UNIV_ANYBUTTON_H_
+
+// ----------------------------------------------------------------------------
+// Common button functionality
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxAnyButton : public wxAnyButtonBase
+{
+public:
+    wxAnyButton() {}
+
+    virtual ~wxAnyButton() {};
+
+protected:
+    // choose the default border for this window
+    virtual wxBorder GetDefaultBorder() const { return wxBORDER_STATIC; }
+
+private:
+    wxDECLARE_NO_COPY_CLASS(wxAnyButton);
+};
+
+#endif // _WX_UNIV_ANYBUTTON_H_