File project.diff of Package ocaml-ppx_derivers

--- ocaml-ppx_derivers.spec.orig
+++ ocaml-ppx_derivers.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ocaml-ppx_derivers
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -23,7 +23,7 @@ Release:        0
 Summary:        Deriving plugin registry
 License:        BSD-3-Clause
 Group:          Development/Languages/OCaml
-BuildRoot:      %_tmppath/%name-%version-build
+BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 URL:            https://github.com/ocaml-ppx/ppx_derivers
 Source0:        %{name}-%{version}.tar.xz
 BuildRequires:  ocaml