TRIVIAL: fmt indentation fix

admin.go

@@ -508,9 +508,9 @@ func (ca *clusterAdmin) ListAcls(filter AclFilter) ([]ResourceAcls, error) {
 
 	request := &DescribeAclsRequest{AclFilter: filter}
 
-        if ca.conf.Version.IsAtLeast(V2_0_0_0) {
-                request.Version = 1
-        }
+	if ca.conf.Version.IsAtLeast(V2_0_0_0) {
+		request.Version = 1
+	}
 
 	b, err := ca.Controller()
 	if err != nil {