For zonefiles that we don't have, re-attempt to fetch them from storage.

def atlasdb_reset_zonefile_tried_storage( con=None, path=None ):
    """
    For zonefiles that we don't have, re-attempt to fetch them from storage.
    """

    with AtlasDBOpen(con=con, path=path) as dbcon:

        sql = "UPDATE zonefiles SET tried_storage = ? WHERE present = ?;"
        args = (0, 0)

        cur = dbcon.cursor()
        res = atlasdb_query_execute( cur, sql, args )
        dbcon.commit()

    return True