Constant winapi::um::vss::VSS_CTX_NAS_ROLLBACK

pub const VSS_CTX_NAS_ROLLBACK: VSS_SNAPSHOT_CONTEXT = VSS_VOLSNAP_ATTR_PERSISTENT
        | VSS_VOLSNAP_ATTR_NO_AUTO_RELEASE | VSS_VOLSNAP_ATTR_NO_WRITERS; // 25u32