Prevent Facepile error

Fixes #196

Author: edent

templates/linkbacks.php

@@ -1,4 +1,11 @@
-<?php $facepiles = get_option( 'semantic_linkbacks_facepiles', array_keys( Linkbacks_Handler::get_comment_type_strings() ) ); ?>
+<?php $facepiles = get_option( 'semantic_linkbacks_facepiles', array_keys( Linkbacks_Handler::get_comment_type_strings() ) ); 
+
+//	If getting the facepiles hasn't worked, create an empty array to avoid generating errors
+if (!is_array($facepiles)) {
+	$facepiles =  array();
+}
+
+?>
 <?php if ( in_array( 'reacji', $facepiles, true ) && Semantic_Linkbacks_Walker_Comment::$reactions ) : ?>
 <div class="reactions">
 	<h3><?php echo __( 'Reacjis', 'semantic-linkbacks' ); ?></h3>