Remove trailing whitespace.

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

library/HTMLPurifier/Injector/PurifierLinkify.php

@@ -6,23 +6,23 @@
  */
 class HTMLPurifier_Injector_PurifierLinkify extends HTMLPurifier_Injector
 {
-    
+
     public $name = 'PurifierLinkify';
     public $docURL;
     public $needed = array('a' => array('href'));
-    
+
     public function prepare($config, $context) {
         $this->docURL = $config->get('AutoFormatParam', 'PurifierLinkifyDocURL');
         return parent::prepare($config, $context);
     }
-    
+
     public function handleText(&$token) {
         if (!$this->allowsElement('a')) return;
         if (strpos($token->data, '%') === false) return;
-        
+
         $bits = preg_split('#%([a-z0-9]+\.[a-z0-9]+)#Si', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
         $token = array();
-        
+
         // $i = index
         // $c = count
         // $l = is link
@@ -37,8 +37,8 @@ class HTMLPurifier_Injector_PurifierLinkify extends HTMLPurifier_Injector
                 $token[] = new HTMLPurifier_Token_End('a');
             }
         }
-        
+
     }
-    
+
 }