From 8d6a22f23f0af76c5d6879c05dbed02a8ec50ba7 Mon Sep 17 00:00:00 2001
From: justme-1968 <justme-1968@users.noreply.github.com>
Date: Sun, 14 Dec 2014 12:40:53 +0000
Subject: [PATCH] 31_LightScene.pm: fixed undef warning (fhem sleep returns
 undef). forum:
 http://forum.fhem.de/index.php/topic,20331.msg230383.html#msg230383

git-svn-id: https://svn.fhem.de/fhem/trunk@7207 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/31_LightScene.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fhem/FHEM/31_LightScene.pm b/fhem/FHEM/31_LightScene.pm
index 8ede7154f..0ae248bcf 100644
--- a/fhem/FHEM/31_LightScene.pm
+++ b/fhem/FHEM/31_LightScene.pm
@@ -622,13 +622,13 @@ LightScene_Set($@)
         my $r = "";
         foreach my $entry (@{$state}) {
           $r .= "," if( $ret );
-          $r .= LightScene_RestoreDevice($hash,$d,$entry);
+          $r .= LightScene_RestoreDevice($hash,$d,$entry) // "";
         }
         $ret .= " " if( $ret );
         $ret .= $r;
       } else {
         $ret .= " " if( $ret );
-        $ret .= LightScene_RestoreDevice($hash,$d,$state);
+        $ret .= LightScene_RestoreDevice($hash,$d,$state) // "";
       }
     } else {
       $ret = "Unknown argument $cmd, choose one of save scene";