Apply the OptsBuilder interface to tokens.Create()
diff --git a/openstack/client.go b/openstack/client.go
index d7bf646..bd82690 100644
--- a/openstack/client.go
+++ b/openstack/client.go
@@ -95,7 +95,7 @@
 		v2Client.Endpoint = endpoint
 	}
 
-	result := tokens2.Create(v2Client, options)
+	result := tokens2.Create(v2Client, tokens2.AuthOptions{AuthOptions: options})
 
 	token, err := result.ExtractToken()
 	if err != nil {