Index: search_config.module
===================================================================
--- search_config.module	(revision 271)
+++ search_config.module	(working copy)
@@ -282,7 +282,10 @@
 }
 
 function search_config_validate($form, &$form_state) {
-  if ($form_state['values']['form_id'] == 'search_admin_settings' && $form_state['values']['op'] == 'Save configuration') {
+  if ($form_state['values']['form_id'] == 'search_admin_settings' && $form_state['values']['op'] == t('Re-index site')) {
+    drupal_goto('admin/settings/search/wipe');
+  }
+  elseif ($form_state['values']['form_id'] == 'search_admin_settings' && $form_state['values']['op'] == t('Save configuration')) {
     $post_values = $form_state['values'];
     $node_types = node_get_types('names');