[wake-lock] Fix respec warnings

andrey-logvinov has just created a new issue for 
https://github.com/w3c/wake-lock:

== Fix respec warnings ==
The warnings probably started to appear after these changes in respec:
 https://github.com/w3c/respec/pull/991

Please view or discuss this issue at 
https://github.com/w3c/wake-lock/issues/91 using your GitHub account

Received on Monday, 9 January 2017 15:15:40 UTC