Index: imagecache.module
===================================================================
RCS file: /cvs/drupal/contributions/modules/imagecache/imagecache.module,v
retrieving revision 1.92
diff -u -8 -p -r1.92 imagecache.module
--- imagecache.module	31 Oct 2008 17:52:14 -0000	1.92
+++ imagecache.module	18 Nov 2008 09:19:04 -0000
@@ -395,17 +395,17 @@ function _imagecache_cache($presetname, 
   header("HTTP/1.0 500 Internal Server Error");
   exit;
 }
 
 function _imagecache_apply_action($action, &$image) {
   $actions = imagecache_action_definitions();
 
   if ($definition = imagecache_action_definition($action['action'])) {
-    return call_user_func($action['action'] .'_image', $image, $action['data']);
+    return call_user_func_array($action['action'] .'_image', array(&$image, $action['data']));
   }
   // skip undefined actions.. module probably got uninstalled or disabled.
   watchdog('imagecache', 'non-existant action %action', array('%action' => $action['action']), WATCHDOG_NOTICE);
   return true;
 }
 
 /**
  * helper function to transfer files from imagecache. Determines mime type and sets a last modified header.