Base a pagination.PageResult on gophercloud.Result.
diff --git a/pagination/marker.go b/pagination/marker.go
index 41b493a..e7688c2 100644
--- a/pagination/marker.go
+++ b/pagination/marker.go
@@ -11,7 +11,7 @@
 
 // MarkerPageBase is a page in a collection that's paginated by "limit" and "marker" query parameters.
 type MarkerPageBase struct {
-	LastHTTPResponse
+	PageResult
 
 	// Owner is a reference to the embedding struct.
 	Owner MarkerPage