tleyden/keynuker: github_user_aggregator.go; 5 LoC

Found a possible issue in [tleyden/keynuker](https://www.github.com/tleyden/keynuker) at [github_user_aggregator.go](https://github.com/tleyden/keynuker/blob/b027d789208844f958a2c4945cc39f06f3291b1a/github_user_aggregator.go#L236-L240)

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.

> reference to githubUserLogin is reassigned at line 238

[Click here to see the code in its original context.](https://github.com/tleyden/keynuker/blob/b027d789208844f958a2c4945cc39f06f3291b1a/github_user_aggregator.go#L236-L240)

Click here to show the 5 line(s) of Go which triggered the analyzer.

```go
for _, githubUserLogin := range p.GithubUsers {
resultUser := &github.User{}
resultUser.Login = &githubUserLogin
resultUsers = append(resultUsers, resultUser)
}

```

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: b027d789208844f958a2c4945cc39f06f3291b1a

Start with github_user_aggregator.go at lines 236-240 and read the linked rangeclosure-findings classification descriptions. Check the surrounding code and analyzer report, then leave the appropriate reaction; done means the finding is classified as Bug, Mitigated, or Desirable Behavior.

Written by the indexing model from the issue text.