Index: link-template.php
===================================================================
--- link-template.php	(revision 12549)
+++ link-template.php	(working copy)
@@ -1158,7 +1158,7 @@
  * @return string
  */
 function get_index_rel_link() {
-	$link = "<link rel='index' title='" . esc_attr(get_bloginfo('name')) . "' href='" . get_bloginfo('siteurl') . "' />\n";
+	$link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n";
 	return apply_filters( "index_rel_link", $link );
 }