Use correct service type

Author: Jamie Hannaford

rackspace/client.go

@@ -215,7 +215,7 @@ func NewRackConnectV3(client *gophercloud.ProviderClient, eo gophercloud.Endpoin
 
 // NewOrchestrationV1 creates a ServiceClient that may be used to access the v1 DB service.
 func NewDBV1(client *gophercloud.ProviderClient, eo gophercloud.EndpointOpts) (*gophercloud.ServiceClient, error) {
-	eo.ApplyDefaults("database")
+	eo.ApplyDefaults("rax:database")
 	url, err := client.EndpointLocator(eo)
 	if err != nil {
 		return nil, err