log/syslog: return nil directly
Reduce return complexity.
Change-Id: I280a0fe1a49371e231e93e0d3e177730b6f28769
GitHub-Last-Rev:
2ebc10641d1b6706a66132a84c1c5b0f394034c6
GitHub-Pull-Request: golang/go#55989
Reviewed-on: https://go-review.googlesource.com/c/go/+/437516
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Rob Pike <r@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>