enable structcheck
enable structcheck

[#164837361]

Co-authored-by: Anand Gaitonde <4f0ff06b2390eeadb0769d298cbdb3dc6df4c73d@pivotal.io>
Co-authored-by: Mike Kenyon <75e91291951205528b64b1cd362d7f89c6e1e1b5@pivotal.io>

cloudfoundry/cli,cloudfoundry/cli,cloudfoundry/cli