Moves user_block_* settings from variable to config.
function user_update_8010() {
update_variables_to_config('user.block', array(
'user_block_max_list_count' => 'max_list_count',
'user_block_seconds_online' => 'seconds_online',
'user_block_whois_new_count' => 'whois_new_count',
));
}