revert cdn files to master versions
diff --git a/openstack/cdn/v1/serviceassets/fixtures.go b/openstack/cdn/v1/serviceassets/fixtures.go
index 5c6b5d0..38e7fc5 100644
--- a/openstack/cdn/v1/serviceassets/fixtures.go
+++ b/openstack/cdn/v1/serviceassets/fixtures.go
@@ -1,19 +1,19 @@
 package serviceassets
 
 import (
-	"net/http"
-	"testing"
+  "net/http"
+  "testing"
 
-	th "github.com/rackspace/gophercloud/testhelper"
-	fake "github.com/rackspace/gophercloud/testhelper/client"
+  th "github.com/rackspace/gophercloud/testhelper"
+  fake "github.com/rackspace/gophercloud/testhelper/client"
 )
 
 // HandleDeleteCDNAssetSuccessfully creates an HTTP handler at `/services/{id}/assets` on the test handler mux
 // that responds with a `Delete` response.
 func HandleDeleteCDNAssetSuccessfully(t *testing.T) {
-	th.Mux.HandleFunc("/services/96737ae3-cfc1-4c72-be88-5d0e7cc9a3f0/assets", func(w http.ResponseWriter, r *http.Request) {
-		th.TestMethod(t, r, "DELETE")
-		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
-		w.WriteHeader(http.StatusAccepted)
-	})
+  th.Mux.HandleFunc("/services/96737ae3-cfc1-4c72-be88-5d0e7cc9a3f0/assets", func(w http.ResponseWriter, r *http.Request) {
+    th.TestMethod(t, r, "DELETE")
+    th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+    w.WriteHeader(http.StatusAccepted)
+  })
 }