Added showing the default URL in DisplayContents and DisplayIndex

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9903 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/html/helpdata.h

@@ -198,6 +198,9 @@ class WXDLLEXPORT wxHtmlHelpData : public wxObject
         // Writes binary book
 };
 
+// Utility function
+wxString wxAddBasePath(const wxString& basePath, const wxString& path) ;
+
 #endif
 
 #endif