Implements hook_update_dependencies().
function block_update_dependencies() {
  // block_update_7005() needs to query the {filter_format} table to get a list
  // of existing text formats, so it must run after filter_update_7000(), which
  // creates that table.
  $dependencies['block'][7005] = array(
    'filter' => 7000,
  );
  return $dependencies;
}