MAGETWO-45084: [HHVM] Functional Install builds failed Wrong Web Installation Title

- Hardcoded title for 401 error page.

Author: mazhalai

setup/view/error/401.phtml

@@ -7,6 +7,9 @@
 // @codingStandardsIgnoreFile
 
 ?>
+<script>
+    document.title = 'Magento Setup - 401 unauthorized  access';
+</script>
 <section class="page-landing">
     <img class="logo" src="<?php echo $this->basePath() ?>/pub/images/magento-logo.svg" alt="Magento"/>
     <p class="text-welcome">