pierresouchay/swiftsync: main.go; 15 LoC

Found a possible issue in [pierresouchay/swiftsync](https://www.github.com/pierresouchay/swiftsync) at [main.go](https://github.com/pierresouchay/swiftsync/blob/b879c8d7d8f94ab45be1144a8da9aefb8b855764/main.go#L500-L514)

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 endP is reassigned at line 501

[Click here to see the code in its original context.](https://github.com/pierresouchay/swiftsync/blob/b879c8d7d8f94ab45be1144a8da9aefb8b855764/main.go#L500-L514)

Click here to show the 15 line(s) of Go which triggered the analyzer.

```go
for _, endP := range listing.Access.ServiceCatalog {
objectStoreEndPoints = &endP
if endP.Type == "object-store" {
for _, endPointInformation := range endP.EndPoints {
if optionalRegion == "" || (optionalRegion) == endPointInformation.Region {
urlToParse := endPointInformation.PublicURL
if !conf.Keystone.UsePublicURL {
urlToParse = endPointInformation.InternalURL
}
theUrl, err := url.Parse(urlToParse)
return theUrl, listing.Access.Token.Id, err
}
}
}
}

```

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See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: b879c8d7d8f94ab45be1144a8da9aefb8b855764