Index: includes/bootstrap.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/bootstrap.inc,v
retrieving revision 1.143
diff -u -p -r1.143 bootstrap.inc
--- includes/bootstrap.inc	21 Dec 2006 22:20:19 -0000	1.143
+++ includes/bootstrap.inc	29 Dec 2006 18:11:01 -0000
@@ -876,6 +876,7 @@ function _drupal_cache_init($phase) {
  */
 function drupal_maintenance_theme() {
   global $theme;
+  require_once './includes/file.inc';
   require_once './includes/path.inc';
   require_once './includes/theme.inc';
   require_once './includes/common.inc';