Issue #1468328 follow-up by Berdir, sun: Enable File module if enabling Update...

Issue #1468328 follow-up by Berdir, sun: Enable File module if enabling Update module in minimal profile.

core/includes/install.core.inc

@@ -1890,7 +1890,7 @@ function install_configure_form_submit($form, &$form_state) {
 
   // Enable update.module if this option was selected.
   if ($form_state['values']['update_status_module'][1]) {
-    module_enable(array('update'), FALSE);
+    module_enable(array('file', 'update'), FALSE);
 
     // Add the site maintenance account's email address to the list of
     // addresses to be notified when updates are available, if selected.