first pass of wxUniv merge - nothing works, most parts don't even compile

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/laywin.h

@@ -198,8 +198,10 @@ class WXDLLEXPORT wxLayoutAlgorithm: public wxObject
 public:
     wxLayoutAlgorithm() {}
 
+#if wxUSE_MDI_ARCHITECTURE
     // The MDI client window is sized to whatever's left over.
     bool LayoutMDIFrame(wxMDIParentFrame* frame, wxRect* rect = (wxRect*) NULL);
+#endif // wxUSE_MDI_ARCHITECTURE
 
     // mainWindow is sized to whatever's left over. This function for backward
     // compatibility; use LayoutWindow.