SevereCloud/vksdk: longpoll-user/longpoll.go; 7 LoC

Found a possible issue in [SevereCloud/vksdk](https://www.github.com/SevereCloud/vksdk) at [longpoll-user/longpoll.go](https://github.com/SevereCloud/vksdk/blob/691e87e001d589843dc43441a2d4b2a82e8972ce/longpoll-user/longpoll.go#L243-L249)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

> range-loop variable f used in defer or goroutine at line 245

[Click here to see the code in its original context.](https://github.com/SevereCloud/vksdk/blob/691e87e001d589843dc43441a2d4b2a82e8972ce/longpoll-user/longpoll.go#L243-L249)

Click here to show the 7 line(s) of Go which triggered the analyzer.

```go
for _, f := range lp.funcFullResponseList {
if lp.goroutine {
go func() { f(resp) }()
} else {
f(resp)
}
}

```

Leave a reaction on this issue to contribute to the project by classifying this instance as a **Bug** :-1:, **Mitigated** :+1:, or **Desirable Behavior** :rocket:
See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: 691e87e001d589843dc43441a2d4b2a82e8972ce

Read longpoll-user/longpoll.go at lines 243-249 and compare the reported range-loop capture with the surrounding code at the referenced commit. Decide whether the analyzer finding is a Bug, Mitigated, or Desirable Behavior, then record that classification with the corresponding reaction.

Written by the indexing model from the issue text.