Fix trailing whitespace (#4103)

The latest commit (e233f59) on master branch introduced a trailing
whitespace and is causing Travis CI build to fail:
https://travis-ci.org/github/coredns/coredns/builds/722988413

This PR fixes the failing test.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
This commit is contained in:
Yong Tang
2020-09-06 17:57:56 -07:00
committed by GitHub
parent e233f59ee8
commit 7b78170041