Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.61
diff -u -d -F^\s*function -r1.61 system.install
--- modules/system/system.install	18 Dec 2006 21:32:10 -0000	1.61
+++ modules/system/system.install	27 Dec 2006 18:59:44 -0000
@@ -1605,7 +1605,7 @@ function system_update_132() {
       /**
        * Wipe the search index
        */
-      include_once './modules/search.module';
+      include_once drupal_get_path('module', 'search') .'/search.module';
       search_wipe();
     }
 
@@ -2625,7 +2625,7 @@ function system_update_172() {
     $_SESSION['system_update_172_max'] = db_result(db_query('SELECT MAX(cid) FROM {comments}'));
   }
 
-  include_once './modules/comment.module';
+  include_once drupal_get_path('module', 'comment'). '/comment.module';
 
   $limit = 20;
   $result = db_query_range("SELECT cid, thread FROM {comments} WHERE cid > %d ORDER BY cid ASC", $_SESSION['system_update_172'], 0, $limit);