Docview mended (grrr) and OGL studio partially working under wxGTK

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6877 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/docview.h

@@ -335,7 +335,10 @@ public:
 
     // called when file format detection didn't work, can be overridden to do
     // something in this case
-    virtual void OnOpenFileFailure() { wxFAIL_MSG(_T("file format mismatch")); }
+    // This is of course completely stupid, because if the file dialog is
+    // cancelled you get an assert. Brilliant. -- JACS
+//    virtual void OnOpenFileFailure() { wxFAIL_MSG(_T("file format mismatch")); }
+    virtual void OnOpenFileFailure() { }
 
     virtual wxDocument *CreateDocument(const wxString& path, long flags = 0);
     virtual wxView *CreateView(wxDocument *doc, long flags = 0);