Index: includes/install.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/install.inc,v
retrieving revision 1.31.2.2
diff -u -u -p -r1.31.2.2 install.inc
--- includes/install.inc	6 Oct 2007 22:38:28 -0000	1.31.2.2
+++ includes/install.inc	7 Nov 2007 11:36:13 -0000
@@ -243,7 +243,7 @@ function drupal_rewrite_settings($settin
 function drupal_get_install_files($module_list = array()) {
   $installs = array();
   foreach ($module_list as $module) {
-    $installs = array_merge($installs, file_scan_directory('./modules', "^$module.install$", array('.', '..', 'CVS'), 0, TRUE, 'name', 0));
+    $installs = array_merge($installs, drupal_system_listing("$module.install$", 'modules'));
   }
   return $installs;
 }