rename imports: rackspace/gophercloud -> gophercloud/gophercloud
diff --git a/openstack/common/extensions/urls.go b/openstack/common/extensions/urls.go
index 6460c66..eaf38b2 100644
--- a/openstack/common/extensions/urls.go
+++ b/openstack/common/extensions/urls.go
@@ -1,6 +1,6 @@
package extensions
-import "github.com/rackspace/gophercloud"
+import "github.com/gophercloud/gophercloud"
// ExtensionURL generates the URL for an extension resource by name.
func ExtensionURL(c *gophercloud.ServiceClient, name string) string {