Merge pull request PrestaShop#15 from gRoussac/PSCSX-2082

[-] MO : Fix #PSCSX-2082, AdminBlockCategories upgrade

upgrade/install-2.9.1.php

@@ -0,0 +1,25 @@
+<?php
+
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+function upgrade_module_2_9_1($object)
+{
+    $id_tab = (int)Tab::getIdFromClassName('AdminBlockCategories');
+
+    if (!$id_tab) {
+        $tab = new Tab();
+        $tab->active = 1;
+        $tab->class_name = 'AdminBlockCategories';
+        $tab->name = array();
+        foreach (Language::getLanguages(true) as $lang) {
+            $tab->name[$lang['id_lang']] = 'BlockCategories';
+        }
+        $tab->id_parent = -1;
+        $tab->module = $object->name;
+
+        return $tab->add();
+    }
+    return true;
+}