Rename gophercloud.CommonResult references.
diff --git a/openstack/networking/v2/ports/results.go b/openstack/networking/v2/ports/results.go
index cedd658..4ead2eb 100644
--- a/openstack/networking/v2/ports/results.go
+++ b/openstack/networking/v2/ports/results.go
@@ -7,7 +7,7 @@
 )
 
 type commonResult struct {
-	gophercloud.CommonResult
+	gophercloud.Result
 }
 
 // Extract is a function that accepts a result and extracts a port resource.