Message override broken in 0.5

[coudot]

After installing 0.5, message override is broken.

Seems linked to commit https://github.com/ltb-project/service-desk/commit/a720942aa076d89aaa4ba618f3865b3cd1d3f3ae

This patch fixes the issue:

diff --git a/htdocs/index.php b/htdocs/index.php
index ec4603b..4502663 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -17,6 +17,7 @@ require_once("../lib/detectbrowserlanguage.php");
 # Available languages
 $files = glob("../lang/*.php");
 $languages = str_replace(".inc.php", "", $files);
+$languages = str_replace("../lang/", "", $languages);
 $lang = detectLanguage($lang, $languages);
 require_once("../lang/$lang.inc.php");
 if (file_exists("../conf/$lang.inc.php")) {