From 54f11a14922f1bb0b68e1873a026e6bfd4bbf4bd Mon Sep 17 00:00:00 2001
From: moises <moises@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 28 Feb 2017 01:00:53 +0000
Subject: [PATCH] 38_CO20.pm: fixed Device::USB init errors

git-svn-id: https://svn.fhem.de/fhem/trunk@13545 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/38_CO20.pm | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fhem/FHEM/38_CO20.pm b/fhem/FHEM/38_CO20.pm
index 649db875f..c1bd6a6d1 100755
--- a/fhem/FHEM/38_CO20.pm
+++ b/fhem/FHEM/38_CO20.pm
@@ -8,9 +8,11 @@ package main;
 use strict;
 use warnings;
 
-$ENV{CFLAGS} = '';
-$ENV{CPPFLAGS} = '';
-$ENV{LDFLAGS} = '';
+BEGIN {
+  $ENV{CFLAGS} = '';
+  $ENV{CPPFLAGS} = '';
+  $ENV{LDFLAGS} = '';
+}
 
 use Device::USB;