Doc tweaks

Added back mouse sensitivity to wxStaticText
Added code to widgets sample to test for sensitive wxStaticTexts


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15381 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/stattext.h

@@ -48,6 +48,7 @@ protected:
     virtual void DoSetSize(int x, int y, int w, int h,
                            int sizeFlags = wxSIZE_AUTO);
     virtual wxSize DoGetBestSize() const;
+    virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 
     DECLARE_DYNAMIC_CLASS(wxStaticText)
 };