Index: wp-admin/edit-comments.php
===================================================================
--- wp-admin/edit-comments.php	(revision 10899)
+++ wp-admin/edit-comments.php	(working copy)
@@ -368,7 +368,7 @@
 
 <div id="ajax-response"></div>
 
-<?php } elseif ( 'moderated' == $_GET['comment_status'] ) { ?>
+<?php } elseif ( isset($_GET['comment_status']) && 'moderated' == $_GET['comment_status'] ) { ?>
 <p><?php _e('No comments awaiting moderation&hellip; yet.') ?></p>
 </form>
 
Index: wp-includes/post.php
===================================================================
--- wp-includes/post.php	(revision 10899)
+++ wp-includes/post.php	(working copy)
@@ -983,7 +983,7 @@
 
 	$count = $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A );
 
-	$stats = array( );
+	$stats = array( 'publish' => 0, 'private' => 0, 'draft' => 0, 'pending' => 0, 'future' => 0 );
 	foreach( (array) $count as $row_num => $row ) {
 		$stats[$row['post_status']] = $row['num_posts'];
 	}