deal with xbacklight returning an error code
authorRalf Jung <post@ralfj.de>
Tue, 3 Feb 2015 18:59:48 +0000 (19:59 +0100)
committerRalf Jung <post@ralfj.de>
Tue, 3 Feb 2015 18:59:48 +0000 (19:59 +0100)

No differences found