Ensure that Zend is loaded when showing status information in the CLI

fixes #7869

library/Icinga/Application/ApplicationBootstrap.php

@@ -351,7 +351,7 @@ abstract class ApplicationBootstrap
      *
      * @return $this
      */
-    protected function setupZendAutoloader()
+    public function setupZendAutoloader()
     {
         require_once 'Zend/Loader/Autoloader.php';
 

modules/monitoring/application/clicommands/ListCommand.php

@@ -25,6 +25,7 @@ class ListCommand extends Command
 
     public function init()
     {
+        $this->app->setupZendAutoloader();
         $this->backend = Backend::createBackend($this->params->shift('backend'));
         $this->dumpSql = $this->params->shift('showsql');
     }