bc-shusson/pteron: pteron.go; 23 LoC

Found a possible issue in [bc-shusson/pteron](https://www.github.com/bc-shusson/pteron) at [pteron.go](https://github.com/bc-shusson/pteron/blob/85ad9c74c76a0c24bb3475dfdf3dc0054d15cb9f/pteron.go#L51-L73)

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 j used in defer or goroutine at line 56

[Click here to see the code in its original context.](https://github.com/bc-shusson/pteron/blob/85ad9c74c76a0c24bb3475dfdf3dc0054d15cb9f/pteron.go#L51-L73)

Click here to show the 23 line(s) of Go which triggered the analyzer.

```go
for j := range jobs {
<-limiter
// create an anon go routine so we can timeout if the query takes to long
queryJob := make(chan string, 1)
go func() {
fmt.Println("worker", id, "processing job", j)
dsn := getDatabaseDsn(j)
queryJob <- queryDatabase(dsn, query, j)
// queryJob <- queryDatabase(j) //uncomment to run with staight dsns
}()

resultMap := make(map[string]string)
select {
case result := <-queryJob:
resultMap["result"] = result
resultMap["databaseDsn"] = j
results <- resultMap
case <-time.After(time.Second * QUERY_TIMEOUT):
fmt.Println("worker", id, "timed out trying to process ", j)
resultMap[j] = "query timed out"
results <- resultMap
}
}

```

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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: 85ad9c74c76a0c24bb3475dfdf3dc0054d15cb9f