Index: wp-admin/import/wordpress.php
===================================================================
--- wp-admin/import/wordpress.php	(revision 7545)
+++ wp-admin/import/wordpress.php	(working copy)
@@ -12,6 +12,7 @@
 
 	var $author_ids = array ();
 	var $tags = array ();
+	var $categories = array ();
 
 	var $j = -1;
 	var $fetch_attachments = false;