Although using wxLog during statics initialization is not recommended, it may still happen, possibly indirectly so make it work correctly by using an accessor function for the array of trace masks which ensures that this array is always correctly initialized before being used. Closes #11592. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63063 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775