Move the extensions resource to common/.
diff --git a/openstack/common/extensions/urls.go b/openstack/common/extensions/urls.go
new file mode 100644
index 0000000..e31e76c
--- /dev/null
+++ b/openstack/common/extensions/urls.go
@@ -0,0 +1,13 @@
+package extensions
+
+import "github.com/rackspace/gophercloud"
+
+const version = "v2.0"
+
+func extensionURL(c *gophercloud.ServiceClient, name string) string {
+ return c.ServiceURL(version, "extensions", name)
+}
+
+func listExtensionURL(c *gophercloud.ServiceClient) string {
+ return c.ServiceURL(version, "extensions")
+}