Index: wp-admin/includes/class-wp-list-table.php
===================================================================
--- wp-admin/includes/class-wp-list-table.php	(revision 17476)
+++ wp-admin/includes/class-wp-list-table.php	(working copy)
@@ -420,10 +420,8 @@
 		if ( $pending_comments )
 			echo '<strong>';
 
-		$link = "<a href='" . esc_url( add_query_arg( 'p', $post_id, admin_url( 'edit-comments.php' ) ) ) . "' title='" . esc_attr( $pending_phrase ) . "' class='post-com-count'><span class='comment-count'>%s</span></a>";
+		echo "<a href='" . esc_url( add_query_arg( 'p', $post_id, admin_url( 'edit-comments.php' ) ) ) . "' title='" . esc_attr( $pending_phrase ) . "' class='post-com-count'><span class='comment-count'>" . number_format_i18n( get_comments_number() ) . "</span></a>";
 
-		printf( $link, number_format_i18n( get_comments_number() ) );
-
 		if ( $pending_comments )
 			echo '</strong>';
 	}