wp_specialchars comment author name.

git-svn-id: http://svn.automattic.com/wordpress/branches/2.0@3757 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/edit.php

@@ -262,7 +262,7 @@
   <?php 
 			if ( current_user_can('edit_post', $post->ID) ) {
 				echo "[ <a href=\"post.php?action=editcomment&amp;comment=".$comment->comment_ID."\">" .  __('Edit') . "</a>";
-				echo " - <a href=\"post.php?action=deletecomment&amp;p=".$post->ID."&amp;comment=".$comment->comment_ID."\" onclick=\"return confirm('" . sprintf(__("You are about to delete this comment by \'%s\'\\n  \'OK\' to delete, \'Cancel\' to stop."), $comment->comment_author) . "')\">" . __('Delete') . "</a> ";
+				echo " - <a href=\"post.php?action=deletecomment&amp;p=".$post->ID."&amp;comment=".$comment->comment_ID."\" onclick=\"return confirm('" . sprintf(__("You are about to delete this comment by \'%s\'\\n  \'OK\' to delete, \'Cancel\' to stop."), wp_specialchars( $comment->comment_author, 1 )) . "')\">" . __('Delete') . "</a> ";
 				if ( ('none' != $comment_status) && ( current_user_can('moderate_comments') ) ) {
 					if ('approved' == wp_get_comment_status($comment->comment_ID)) {
 						echo " - <a href=\"post.php?action=unapprovecomment&amp;p=".$post->ID."&amp;comment=".$comment->comment_ID."\">" . __('Unapprove') . "</a> ";