Remove trailing whitespace.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>

library/HTMLPurifier/DefinitionCache/Decorator.php

@@ -2,14 +2,14 @@
 
 class HTMLPurifier_DefinitionCache_Decorator extends HTMLPurifier_DefinitionCache
 {
-    
+
     /**
      * Cache object we are decorating
      */
     public $cache;
-    
+
     public function __construct() {}
-    
+
     /**
      * Lazy decorator function
      * @param $cache Reference to cache object to decorate
@@ -21,41 +21,41 @@ class HTMLPurifier_DefinitionCache_Decorator extends HTMLPurifier_DefinitionCach
         $decorator->type  = $cache->type;
         return $decorator;
     }
-    
+
     /**
      * Cross-compatible clone substitute
      */
     public function copy() {
         return new HTMLPurifier_DefinitionCache_Decorator();
     }
-    
+
     public function add($def, $config) {
         return $this->cache->add($def, $config);
     }
-    
+
     public function set($def, $config) {
         return $this->cache->set($def, $config);
     }
-    
+
     public function replace($def, $config) {
         return $this->cache->replace($def, $config);
     }
-    
+
     public function get($config) {
         return $this->cache->get($config);
     }
-    
+
     public function remove($config) {
         return $this->cache->remove($config);
     }
-    
+
     public function flush($config) {
         return $this->cache->flush($config);
     }
-    
+
     public function cleanup($config) {
         return $this->cache->cleanup($config);
     }
-    
+
 }