Shifting networking operations to common delete result
diff --git a/openstack/networking/v2/ports/results.go b/openstack/networking/v2/ports/results.go
index 6681123..2d72c35 100644
--- a/openstack/networking/v2/ports/results.go
+++ b/openstack/networking/v2/ports/results.go
@@ -41,7 +41,9 @@
 }
 
 // DeleteResult represents the result of a delete operation.
-type DeleteResult commonResult
+type DeleteResult struct {
+	gophercloud.ExtractErrResult
+}
 
 // IP is a sub-struct that represents an individual IP.
 type IP struct {