Remove trailing whitespace.

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

library/HTMLPurifier/DefinitionCacheFactory.php

@@ -5,18 +5,18 @@
  */
 class HTMLPurifier_DefinitionCacheFactory
 {
-    
+
     protected $caches = array('Serializer' => array());
     protected $implementations = array();
     protected $decorators = array();
-    
+
     /**
      * Initialize default decorators
      */
     public function setup() {
         $this->addDecorator('Cleanup');
     }
-    
+
     /**
      * Retrieves an instance of global definition cache factory.
      */
@@ -30,16 +30,16 @@ class HTMLPurifier_DefinitionCacheFactory
         }
         return $instance;
     }
-    
+
     /**
      * Registers a new definition cache object
      * @param $short Short name of cache object, for reference
-     * @param $long Full class name of cache object, for construction 
+     * @param $long Full class name of cache object, for construction
      */
     public function register($short, $long) {
         $this->implementations[$short] = $long;
     }
-    
+
     /**
      * Factory method that creates a cache object based on configuration
      * @param $name Name of definitions handled by cache
@@ -73,10 +73,10 @@ class HTMLPurifier_DefinitionCacheFactory
         $this->caches[$method][$type] = $cache;
         return $this->caches[$method][$type];
     }
-    
+
     /**
      * Registers a decorator to add to all new cache objects
-     * @param 
+     * @param
      */
     public function addDecorator($decorator) {
         if (is_string($decorator)) {
@@ -85,6 +85,6 @@ class HTMLPurifier_DefinitionCacheFactory
         }
         $this->decorators[$decorator->name] = $decorator;
     }
-    
+
 }