Fix format warnings on ca/ca.go

ca/ca.go

@@ -24,9 +24,9 @@ import (
 	"github.com/smallstep/certificates/api"
 	"github.com/smallstep/certificates/authority"
 	"github.com/smallstep/certificates/authority/admin"
-	"github.com/smallstep/certificates/cas/apiv1"
 	adminAPI "github.com/smallstep/certificates/authority/admin/api"
 	"github.com/smallstep/certificates/authority/config"
+	"github.com/smallstep/certificates/cas/apiv1"
 	"github.com/smallstep/certificates/db"
 	"github.com/smallstep/certificates/logging"
 	"github.com/smallstep/certificates/monitoring"
@@ -47,7 +47,7 @@ type options struct {
 	sshHostPassword []byte
 	sshUserPassword []byte
 	database        db.AuthDB
-	x509CAService	apiv1.CertificateAuthorityService
+	x509CAService   apiv1.CertificateAuthorityService
 }
 
 func (o *options) apply(opts []Option) {