Azure/ARO-RP: hack/gendiscoverycache/genrbac.go; 3 LoC

Found a possible issue in [Azure/ARO-RP](https://www.github.com/Azure/ARO-RP) at [hack/gendiscoverycache/genrbac.go](https://github.com/Azure/ARO-RP/blob/606bcb52e27dfd47e38772d021c5b9a2a6a7bb0f/hack/gendiscoverycache/genrbac.go#L87-L89)

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.

>

[Click here to see the code in its original context.](https://github.com/Azure/ARO-RP/blob/606bcb52e27dfd47e38772d021c5b9a2a6a7bb0f/hack/gendiscoverycache/genrbac.go#L87-L89)

Click here to show the 3 line(s) of Go which triggered the analyzer.

```go
for _, apiresource := range apiresources.APIResources {
f(gv.Group, &apiresource)
}

```

Click here to show extra information the analyzer produced.

```
No path was found through the callgraph that could lead to a function which writes a pointer argument.

No path was found through the callgraph that could lead to a function which passes a pointer to third-party code.

root signature {f 2} was not found in the callgraph; reference was passed directly to third-party code
```

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: 606bcb52e27dfd47e38772d021c5b9a2a6a7bb0f

Inspect hack/gendiscoverycache/genrbac.go at lines 87-89 and the referenced commit. Read the analyzer details and trace how the range variable is passed to f to determine whether this is a real issue or expected behavior. Done means classifying the finding as Bug, Mitigated, or Desirable Behavior with supporting evidence.

Written by the indexing model from the issue text.