Fix Text/Diff includes. Props codestyling. fixes #7391 for trunk

git-svn-id: http://svn.automattic.com/wordpress/trunk@8581 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/Text/Diff.php

@@ -49,7 +49,8 @@ class Text_Diff {
             $engine = basename($engine);
         }
 
-        require_once 'Text/Diff/Engine/' . $engine . '.php';
+        // WP #7391
+        require_once dirname(__FILE__).'/Diff/Engine/' . $engine . '.php';
         $class = 'Text_Diff_Engine_' . $engine;
         $diff_engine = new $class();
 

wp-includes/Text/Diff/Renderer/inline.php

@@ -14,7 +14,9 @@
  */
 
 /** Text_Diff_Renderer */
-require_once 'Text/Diff/Renderer.php';
+
+// WP #7391
+require_once dirname(dirname(__FILE__)) . '/Renderer.php';
 
 /**
  * "Inline" diff renderer.