add Auction Watchlist link to product archive / loop

/*
    Add Auction Watchlist link to product archive / loop

    this code snippet should go to your functions.php file
*/
add_action( 'init' , 'wpgenie_custom_add_link_to_loop', 90 );
function wpgenie_custom_add_link_to_loop(){
    global $woocommerce_auctions;
    add_action( 'woocommerce_before_shop_loop_item_title', array( $woocommerce_auctions, 'add_watchlist_link' ) , 60 );
}