Fix typo which blocks all jobs when multinode jobs are submitted but the device is offline.
Fix typo which blocks all jobs when multinode jobs are submitted but the device is offline.

Change-Id: Ie22b73bd09a974564a875171a28ea465a6dc9275

Linaro/lava-server,Linaro/lava-server,Linaro/lava-server,OSSystems/lava-server,OSSystems/lava-server,Linaro/lava-server,OSSystems/lava-server