git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14783 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14660 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2. a few fixes (mainly compilation warnings) to the code git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11916 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775