Rename gophercloud.CommonResult references.
diff --git a/openstack/blockstorage/v1/volumes/results.go b/openstack/blockstorage/v1/volumes/results.go
index 78eb6c1..421e4ca 100644
--- a/openstack/blockstorage/v1/volumes/results.go
+++ b/openstack/blockstorage/v1/volumes/results.go
@@ -64,7 +64,7 @@
 }
 
 type commonResult struct {
-	gophercloud.CommonResult
+	gophercloud.Result
 }
 
 // Extract will get the Volume object out of the commonResult object.