Index: includes/plugins.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/ctools/includes/plugins.inc,v
retrieving revision 1.17
diff -u -p -r1.17 plugins.inc
--- includes/plugins.inc	13 Aug 2009 23:35:26 -0000	1.17
+++ includes/plugins.inc	9 Sep 2009 18:55:12 -0000
@@ -536,8 +536,8 @@ function ctools_plugin_get_class($plugin
   
   // If we didn't explicitly include a file above, try autoloading a file
   // based on the class' name.
-  if (!isset($file) && file_exists($plugin['path'] . "/$class.inc")) {
-    require_once $plugin['path'] . "/$class.inc";
+  if (!isset($file) && file_exists($plugin['path'] . "/$class.class.php")) {
+    require_once $plugin['path'] . "/$class.class.php";
   }
 
   if (class_exists($class)) {