Add a region bias to geolocation in job manager

gistfile1.txt

<?php
/**
 * Add to functions.php. Replace country_code with a CCTLD
 */
function wp_job_manager_region_bias() {
	return 'country_code';
}
add_filter( 'job_manager_geolocation_region_cctld', 'wp_job_manager_region_bias' );