Trim empty lines. Nothing but newline.

git-svn-id: https://develop.svn.wordpress.org/trunk@5700 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/class-IXR.php

@@ -47,7 +47,7 @@ class IXR_Value {
         }
         // If it is a normal PHP object convert it in to a struct
         if (is_object($this->data)) {
-            
+
             $this->data = get_object_vars($this->data);
             return 'struct';
         }