Fix code styling issues.

Author: Jonny Harris

src/Comment_Meta_Command.php

@@ -23,8 +23,7 @@
  */
 class Comment_Meta_Command extends \WP_CLI\CommandWithMeta {
 	protected $meta_type = 'comment';
-
-
+	
 	protected function add_metadata( $object_id, $meta_key, $meta_value, $unique = false ) {
 		return add_comment_meta( $object_id, $meta_key, $meta_value, $unique );
 	}

src/WP_CLI/CommandWithMeta.php

@@ -1,4 +1,4 @@
-$this->update_metadata( <?php
+<?php
 
 namespace WP_CLI;