Fix JSON field name in cluster asset struct
Fix JSON field name in cluster asset struct

justinsb/kops,blakebarnett/kops,robinpercy/kops,robinpercy/kops,robinpercy/kops,justinsb/kops,kubernetes/kops,aledbf/kops,blakebarnett/kops,blakebarnett/kops,gambol99/kops,gambol99/kops,gambol99/kops,justinsb/kops,aledbf/kops,gambol99/kops,robinpercy/kops,blakebarnett/kops,kubernetes/kops,aledbf/kops,aledbf/kops,kubernetes/kops