Change HTTP methods for OpenStack Compute
diff --git a/openstack/compute/v2/extensions/tenantnetworks/requests.go b/openstack/compute/v2/extensions/tenantnetworks/requests.go
index 99cd1ae..3ec13d3 100644
--- a/openstack/compute/v2/extensions/tenantnetworks/requests.go
+++ b/openstack/compute/v2/extensions/tenantnetworks/requests.go
@@ -17,8 +17,6 @@
 // Get returns data about a previously created Network.
 func Get(client *gophercloud.ServiceClient, id string) GetResult {
 	var res GetResult
-	_, res.Err = client.Request("GET", getURL(client, id), gophercloud.RequestOpts{
-		JSONResponse: &res.Body,
-	})
+	_, res.Err = client.Get(getURL(client, id), &res.Body, nil)
 	return res
 }