nats-io / gnatsd / 1016

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travis-ci

[FIXED] assignment copies lock value for crypto/tls.Config

Running `go vet ./...` with `go 1.7.3` would report the following:

```
server/route.go:342: assignment copies lock value to tlsConfig: crypto/tls.Config contains sync.Once contains sync.Mutex
server/server.go:479: assignment copies lock value to config: crypto/tls.Config contains sync.Once contains sync.Mutex
```

Add a “clone” function while waiting for this to be addressed
by the language itself (https://go-review.googlesource.com/#/c/28075/)

5 of 5 new or added lines in 2 files covered. (100.0%)

4791 of 5345 relevant lines covered (89.64%)

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