fixes for Raise() to work correctly with both top level and child windows

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11430 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/frame.h

@@ -45,6 +45,7 @@ public:
     virtual ~wxFrameMSW();
 
     // implement base class pure virtuals
+    virtual void Raise();
     virtual void Maximize(bool maximize = TRUE);
     virtual bool IsMaximized() const;
     virtual void Iconize(bool iconize = TRUE);