Index: trunk/src/wp-admin/admin.php
===================================================================
--- trunk/src/wp-admin/admin.php	(revision 31106)
+++ trunk/src/wp-admin/admin.php	(revision 31121)
@@ -92,7 +92,9 @@
 
 // $pagenow is set in vars.php
+// $wp_importers is sometimes set in wp-admin/includes/import.php
+//
 // The remaining variables are imported as globals elsewhere,
 //     declared as globals here
-global $pagenow, $hook_suffix, $plugin_page, $typenow, $taxnow;
+global $pagenow, $wp_importers, $hook_suffix, $plugin_page, $typenow, $taxnow;
 
 $page_hook = null;
