Replace oval_str_to_subtype by oval_subtype_from_str
Replace oval_str_to_subtype by oval_subtype_from_str

jan-cerny/openscap,mpreisler/openscap,OpenSCAP/openscap,mpreisler/openscap,OpenSCAP/openscap,OpenSCAP/openscap,OpenSCAP/openscap,mpreisler/openscap,OpenSCAP/openscap,redhatrises/openscap,redhatrises/openscap,jan-cerny/openscap,mpreisler/openscap,jan-cerny/openscap,redhatrises/openscap,jan-cerny/openscap,redhatrises/openscap,redhatrises/openscap,jan-cerny/openscap,redhatrises/openscap,OpenSCAP/openscap,jan-cerny/openscap,mpreisler/openscap,mpreisler/openscap