Index: wp-includes/http.php
===================================================================
--- wp-includes/http.php	(revision 8941)
+++ wp-includes/http.php	(working copy)
@@ -356,13 +356,13 @@
 	 * @static
 	 *
 	 * @param string $body Body content
-	 * @return bool|string|WP_Error False if not chunked encoded. WP_Error on failure. Chunked decoded body on success.
+	 * @return string|WP_Error WP_Error on failure. body returned as-is if not chunked data. Chunked decoded body on success.
 	 */
 	function chunkTransferDecode($body) {
 		$body = str_replace(array("\r\n", "\r"), "\n", $body);
 		// The body is not chunked encoding or is malformed.
 		if ( ! preg_match( '/^[0-9a-f]+(\s|\n)+/mi', trim($body) ) )
-			return false;
+			return $body;
 
 		$parsedBody = '';
 		//$parsedHeaders = array(); Unsupported