treewide: remove shadowing of stdlib functions

Change-Id: Iaccb22769d53568f6a4004924c218b9929090d89
Reviewed-on: https://review.monogon.dev/c/monogon/+/2957
Tested-by: Jenkins CI
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/cloud/equinix/wrapngo/wrapngo_live_test.go b/cloud/equinix/wrapngo/wrapngo_live_test.go
index 549071a..fb649c1 100644
--- a/cloud/equinix/wrapngo/wrapngo_live_test.go
+++ b/cloud/equinix/wrapngo/wrapngo_live_test.go
@@ -49,7 +49,7 @@
 	ctx, ctxC := context.WithCancel(context.Background())
 	t.Cleanup(ctxC)
 	return &liveTestClient{
-		cl: new(&Opts{
+		cl: newClient(&Opts{
 			User:   apiuser,
 			APIKey: apikey,
 		}),