Adds variable !!edit_user!! to email templates to link to edit user page.

pmpro_email_data_edit_user.php

<?php

// Copy from below here...

/*
 * Adds variable !!edit_user!! to email templates to link to edit user page.
 */
function my_pmpro_email_data_add_edit_user($data, $email) {
	$user = get_user_by( 'email', $data['user_email'] );
	$edit_user_page = 'http://yoursite.com/wp-admin/user-edit.php?user_id=' . $user->ID;
	$data['edit_user'] = '<a href="' . $edit_user_page . '">' . $edit_user_page . '</a>';

	return $data;
}
add_filter("pmpro_email_data", "my_pmpro_email_data_add_edit_user", 10, 2);