Index: install.php
===================================================================
RCS file: /cvs/drupal/drupal/install.php,v
retrieving revision 1.33
diff -u -F^f -r1.33 install.php
--- install.php	3 Jan 2007 11:10:58 -0000	1.33
+++ install.php	10 Jan 2007 09:54:48 -0000
@@ -21,6 +21,9 @@ function install_main() {
   require_once './modules/system/system.install';
   require_once './includes/file.inc';
 
+  // Ensure correct page headers are sent (e.g. caching)
+  drupal_page_header();
+
   // Check existing settings.php.
   $verify = install_verify_settings();