Index: wp-admin/admin-header.php
===================================================================
--- wp-admin/admin-header.php	(revision 23878)
+++ wp-admin/admin-header.php	(working copy)
@@ -98,9 +98,8 @@
 </script>
 
 <?php
-// If the customize-loader script is enqueued, make sure the customize
-// body classes are correct as early as possible.
-if ( wp_script_is( 'customize-loader', 'queue' ) && current_user_can( 'edit_theme_options' ) )
+// Make sure the customize body classes are correct as early as possible. 
+if ( current_user_can( 'edit_theme_options' ) )
 	wp_customize_support_script();
 ?>