Browsers can send an SNI name of "example.com." for https://example.com./ but LetsEncrypt rejects the trailing dot. Fixes golang/go#18114 Change-Id: Ie38e355e5b5566a7eb18f77a2449660e22e21b4c Reviewed-on: https://go-review.googlesource.com/33711 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>