changed private to protected, so that it is possible to derive a specialized...

changed private to protected, so that it is possible to derive a specialized structuredcubegridcreator class in lectureschanged private to protected, so that it is possible to derive a specialized structuredcubegridcreator class in lectures..


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@7737 2fb0f335-1f38-0410-981e-8018bf24f1b0