Update reindex_local_authorities.php

scripts/reindex_local_authorities.php

@@ -92,7 +92,7 @@ class Scripts_Local_Biblios_Indexer {
     echo '.';
     $thesauri = $this->_dynamic_facets->thesauriOf($record, $this->_int_bib);
     $record->updateFacette(implode(' ', array_map(function($item) { return $item->getFacetCode(); },
-                                                  $thesauri)))
+                                                  array_filter($thesauri))))
            ->save();
   }
 }