Index: wp-admin/edit-comments.php
===================================================================
--- wp-admin/edit-comments.php	(revision 2557)
+++ wp-admin/edit-comments.php	(working copy)
@@ -136,6 +136,8 @@
 		foreach ($comments as $comment) {
 		$authordata = get_userdata($wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = $comment->comment_post_ID"));
 		$class = ('alternate' == $class) ? '' : 'alternate';
+		$comment_status = wp_get_comment_status($comment->comment_ID);
+		if ('unapproved' == $comment_status) $class .= ' unapproved';
 ?>
   <tr class='<?php echo $class; ?>'>
     <td><?php if (user_can_delete_post_comments($user_ID, $comment->comment_post_ID) ) { ?><input type="checkbox" name="delete_comments[]" value="<?php echo $comment->comment_ID; ?>" /><?php } ?></td>
@@ -168,4 +170,4 @@
 
 </div>
 
-<?php include('admin-footer.php'); ?>
\ No newline at end of file
+<?php include('admin-footer.php'); ?>