fix docs for wxWindow::Layout (fixes #4297)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56894 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/toplevel.h

@@ -176,6 +176,12 @@ public:
     */
     bool IsUsingNativeDecorations() const;
 
+    /**
+        See wxWindow::SetAutoLayout(): when auto layout is on, this function gets
+        called automatically when the window is resized.
+    */
+    virtual bool Layout();
+
     /**
         Maximizes or restores the window.