pubsub: reused subscriptions should not rely on API response for data

[stephenplusplus]

at line 471 in pubsub/index.js you should use resp.name || subName (if the status is 409 and reuseExisting is true i got The name of a subscription is required. error).

• pubsub: prevent maxInProgress from being sent to the API #992 (comment)

Reported by @leibale.

[leibale]

??

[stephenplusplus]

@leibale This was fixed and merged in #999.

[leibale]

sorry, i didn't see it the phone.
thanks :)