Mitchell1212/DeletionBot: config.go; 7 LoC

Found a possible issue in [Mitchell1212/DeletionBot](https://www.github.com/Mitchell1212/DeletionBot) at [config.go](https://github.com/Mitchell1212/DeletionBot/blob/da45e608664917b60d90cea100eec8b5586c2e0a/config.go#L118-L124)

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 w used in defer or goroutine at line 121

[Click here to see the code in its original context.](https://github.com/Mitchell1212/DeletionBot/blob/da45e608664917b60d90cea100eec8b5586c2e0a/config.go#L118-L124)

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

```go
for _, w := range v.Channels {
wg.Add(1)
go func() {
errCh <- b.loadChannel(w.ID)
wg.Done()
}()
}

```

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: da45e608664917b60d90cea100eec8b5586c2e0a

Start with config.go lines 118-124 at commit da45e608664917b60d90cea100eec8b5586c2e0a and review the reported range-loop variable warning. Read the linked classification descriptions, decide whether this instance is a Bug, Mitigated, or Desirable Behavior, and leave the corresponding reaction on the issue.

Written by the indexing model from the issue text.