[release-branch.go1.16] cmd/go: add missing newline to retraction warning message
Updates #44674
Fixes #44676
Change-Id: Icbdb79084bf7bd2f52cc0a53abcc1ec6f0c4a1bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/297350
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Jay Conrod <jayconrod@google.com>
(cherry picked from commit
87beecd6dfd3b12ed30785ec502f7380dc79ec29)
Reviewed-on: https://go-review.googlesource.com/c/go/+/297633
Trust: Bryan C. Mills <bcmills@google.com>