create wxPrintData instance on demand

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25934 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/html/htmprint.h

@@ -237,7 +237,7 @@ public:
     void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes = 0);
     // Sets fonts to be used when displaying HTML page. (if size null then default sizes used)
 
-    wxPrintData *GetPrintData() {return m_PrintData;}
+    wxPrintData *GetPrintData();
     wxPageSetupDialogData *GetPageSetupData() {return m_PageSetupData;}
             // return page setting data objects. 
             // (You can set their parameters.)