PHP Warnings under WP 4.7 / Parameter 1 to FeedWordPressHTTPAuthentic…

…ator::set_auth_options() expected to be a reference, value given in [...]/wp-includes/class-wp-hook.php on line 30 / new call to http_api_curl hook in WP4.7 inconsistent about use of ampersands; don't require an amped reference parameter for the curl handle here.

feedwordpresshttpauthenticator.class.php

@@ -9,7 +9,7 @@ function __construct () {
 		endforeach;
 
 		add_filter('pre_http_request', array($this, 'pre_http_request'), 10, 3);
-		add_action('http_api_curl', array($this, 'set_auth_options'), 1000, 1);
+		add_action('http_api_curl', array($this, 'set_auth_options'), 1000, 3);
 	} /* FeedWordPressHTTPAuthenticator::__construct () */
 
 	function methods_available () {
@@ -150,7 +150,7 @@ function if_curl ($use, $args, $what) {
 		return $use;
 	} /* FeedWordPressHTTPAuthenticator::if_curl () */
 
-	function set_auth_options (&$handle) {
+	function set_auth_options ($handle, $r, $url) {
 		if ('digest'==$this->args['authentication']) :
 			curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
 		endif;