mcwumbly: Fix VSphereCluster VCenterAvailable condition

JobBuild
1216
07-29 22:50
pull-cluster-api-provider-vsphere-e2e 1420888288176115712 1420879281361260544
pull-cluster-api-provider-vsphere-test 1420909613401772032 1420888288104812544 1420879281310928896
pull-cluster-api-provider-vsphere-verify-crds 1420888288083841024 1420879281268985856
pull-cluster-api-provider-vsphere-verify-lint 1420888288029315072 1420879281222848512