minor fix as per https://www.drupal.org/project/civicrm_entity/issues/3508093#comment-15999109 (#520)

Author: adixon

src/Hook/QueryHooks.php

@@ -42,7 +42,7 @@ public function viewsQueryAlter(ViewExecutable $view, QueryPluginBase $query) {
       // @codingStandardsIgnoreStart
       global $dbLocale;
       // @codingStandardsIgnoreEnd
-      $columns = CRM_Core_I18n_SchemaStructure::columns();
+      $columns = \CRM_Core_I18n_SchemaStructure::columns();
       $affectedColumns = [];
       foreach ($columns as $table => $hash) {
         foreach (array_keys($hash) as $column) {