Fix a changelog entry

ocaml-cppo.spec

@@ -5,7 +5,7 @@ ExcludeArch: %{ix86}
 
 Name:           ocaml-cppo
 Version:        1.8.0
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Equivalent of the C preprocessor for OCaml programs
 
 License:        BSD-3-Clause
@@ -74,10 +74,13 @@ at build time.  To use it, call ocamlbuild with the argument
 
 
 %changelog
+* Mon Oct 13 2025 Richard W.M. Jones <rjones@redhat.com> - 1.8.0-5
+- OCaml 5.4.0 rebuild
+
 * Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
 
-* Fri Jul 11 2025 Jerry James  <loganjerry@gmail.com> - 1.8.0-3
+* Fri Jul 11 2025 Jerry James <loganjerry@gmail.com> - 1.8.0-3
 - Rebuild to fix OCaml dependencies
 
 * Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.0-2