fix bug : ingress-class not work . issue: flag --ingress-class not w…

[1071496910]

…ork #269

[k8s-ci-robot]

Thanks for your pull request. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

📝 Please follow instructions at https://github.com/kubernetes/kubernetes/wiki/CLA-FAQ to sign the CLA.

Once you've signed, please reply here (e.g. "I signed it!") and we'll verify. Thanks.

---

• If you've already signed a CLA, it's possible we don't have your GitHub username or you're using a different email address. Check your existing CLA data and verify that your email is set on your git commits.
• If you signed the CLA as a corporation, please sign in with your organization's credentials at https://identity.linuxfoundation.org/projects/cncf to be authorized.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

[k8s-reviewable]

This change is 

[fanhaozzu]

have been fixed #272

[1071496910]

#269 is bug is not fix in #272 , this commit fix it

[coveralls]

Coverage decreased (-0.02%) to 45.953% when pulling 6c7a0a4 on 1071496910:master into 9bba947 on kubernetes:master.

[1071496910]

I signed it!

[fanhaozzu]

??#272 can't work?can't fix?

[aledbf]

@1071496910 fix merged in master.

[1071496910]

i'm wrong , #272 fix it