fix: don't warn about trace loading before itself on windows (#534)
fix: don't warn about trace loading before itself on windows (#534)

PR-URL: #534
matthewloring/cloud-trace-nodejs,matthewloring/cloud-trace-nodejs,googleapis/cloud-trace-nodejs,googleapis/cloud-trace-nodejs,googleapis/cloud-trace-nodejs,matthewloring/cloud-trace-nodejs,googleapis/cloud-trace-nodejs