Flamingo - add "Mark as Spam" link

--- admin/includes/meta-boxes.orig.php  2018-01-25 00:37:50.000000000 +0000
+++ admin/includes/meta-boxes.php   2018-02-06 13:30:25.636242200 +0000
@@ -123,6 +123,17 @@
            'flamingo-trash-inbound-message_' . $post->id );

 ?><a class="submitdelete deletion" href="<?php echo $delete_link; ?>"><?php echo esc_html( $delete_text ); ?></a><?php } ?>
+<?php
+   if ( current_user_can( 'flamingo_delete_inbound_message', $post->id ) ) {
+       $spam_text = __( 'Mark as Spam', 'flamingo' );
+
+       $spam_link = admin_url(
+           sprintf( 'admin.php?page=flamingo_inbound&post=%s&action=spam', $post->id ) );
+       $spam_link = wp_nonce_url( $spam_link,
+           'flamingo-spam-inbound-message_' . $post->id );
+
+?><p><a class="submitdelete spam" href="<?php echo $spam_link; ?>"><?php echo esc_html( $spam_text ); ?></a></p><?php } ?>
+
 </div>

 <div id="publishing-action">