From 1d6499661edf1706a798c9cafa6a8ce5f0d556bb Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Wed, 29 Apr 2015 13:41:05 +0000
Subject: [PATCH] fixed notice in installation

---
 doc/rpm-build/post_install.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/rpm-build/post_install.php b/doc/rpm-build/post_install.php
index 15822330ed..3869d729a9 100755
--- a/doc/rpm-build/post_install.php
+++ b/doc/rpm-build/post_install.php
@@ -69,7 +69,7 @@ $config = array(
 );
 
 // read language from LANG enviroment variable
-if (($lang = isset($_ENV['LANG']) ? $_ENV['LANG'] : $_SERVER['LANG']))
+if (($lang = isset($_ENV['LANG']) ? $_ENV['LANG'] : (isset($_SERVER['LANG']) ? $_SERVER['LANG'] : null)))
 {
 	@list($lang,$nat) = preg_split('/[_.]/',$lang);
 	if (in_array($lang.'-'.strtolower($nat),array('es-es','pt-br','zh-tw')))