diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/Text/Diff/Renderer.php
--- a/wp/wp-includes/Text/Diff/Renderer.php	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/Text/Diff/Renderer.php	Mon Oct 14 17:39:30 2019 +0200
@@ -33,7 +33,7 @@
     /**
      * Constructor.
      */
-    function Text_Diff_Renderer($params = array())
+    function __construct( $params = array() )
     {
         foreach ($params as $param => $value) {
             $v = '_' . $param;
@@ -43,6 +43,13 @@
         }
     }
 
+	/**
+	 * PHP4 constructor.
+	 */
+	public function Text_Diff_Renderer( $params = array() ) {
+		self::__construct( $params );
+	}
+
     /**
      * Get any renderer parameters.
      *