Index: wp-includes/http.php
===================================================================
--- wp-includes/http.php	(revision 27795)
+++ wp-includes/http.php	(working copy)
@@ -219,7 +219,7 @@
  * @param array $response HTTP response.
  * @return array The headers of the response. Empty array if incorrect parameter given.
  */
-function wp_remote_retrieve_headers(&$response) {
+function wp_remote_retrieve_headers($response) {
 	if ( is_wp_error($response) || ! isset($response['headers']) || ! is_array($response['headers']))
 		return array();
 
@@ -235,7 +235,7 @@
  * @param string $header Header name to retrieve value from.
  * @return string The header value. Empty string on if incorrect parameter given, or if the header doesn't exist.
  */
-function wp_remote_retrieve_header(&$response, $header) {
+function wp_remote_retrieve_header($response, $header) {
 	if ( is_wp_error($response) || ! isset($response['headers']) || ! is_array($response['headers']))
 		return '';
 
@@ -255,7 +255,7 @@
  * @param array $response HTTP response.
  * @return string the response code. Empty string on incorrect parameter given.
  */
-function wp_remote_retrieve_response_code(&$response) {
+function wp_remote_retrieve_response_code($response) {
 	if ( is_wp_error($response) || ! isset($response['response']) || ! is_array($response['response']))
 		return '';
 
@@ -272,7 +272,7 @@
  * @param array $response HTTP response.
  * @return string The response message. Empty string on incorrect parameter given.
  */
-function wp_remote_retrieve_response_message(&$response) {
+function wp_remote_retrieve_response_message($response) {
 	if ( is_wp_error($response) || ! isset($response['response']) || ! is_array($response['response']))
 		return '';
 
@@ -287,7 +287,7 @@
  * @param array $response HTTP response.
  * @return string The body of the response. Empty string if no body or incorrect parameter given.
  */
-function wp_remote_retrieve_body(&$response) {
+function wp_remote_retrieve_body($response) {
 	if ( is_wp_error($response) || ! isset($response['body']) )
 		return '';