code formatting cache

inc/cache.php

@@ -50,7 +50,7 @@ class cache {
         $this->_addDependencies();
 
         if ($this->_event) {
-            return $this->_stats(trigger_event($this->_event,$this,array($this,'_useCache')));
+            return $this->_stats(trigger_event($this->_event, $this, array($this,'_useCache')));
         } else {
             return $this->_stats($this->_useCache());
         }