Add Login/out to primary nav

functions.php

<?php

/* Add Login/out to primary nav
------------------------------------------------------------ */

    add_filter('wp_nav_menu_items','my_item', 11, 2);
    function my_item($items, $args) {
        	
		if( is_admin() ||  $args->theme_location != 'primary' )
		return $items; 
		
        $items .= '<li class="right">' . do_shortcode('[footer_loginout redirect="http://yoursite/members/"]') . '</li>';
        return $items;
    }