convert to rpmautospec

changelog

@@ -0,0 +1,8 @@
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.0-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
+* Fri Sep 11 18:14:32 BST 2020 Peter Robinson <pbrobinson@gmail.com> - 0.4.0-1
+- Initial package

rust-polyval.spec

@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.4.0
-Release:        3%{?dist}
+Release:        %autorelease
 Summary:        GHASH-like universal hash over GF(2^128) useful for constructing a Message Authentication Code (MAC)
 
 # Upstream license specification: Apache-2.0 OR MIT
@@ -98,11 +98,4 @@ which use "zeroize" feature of "%{crate}" crate.
 %endif
 
 %changelog
-* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.0-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
-
-* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
-
-* Fri Sep 11 18:14:32 BST 2020 Peter Robinson <pbrobinson@gmail.com> - 0.4.0-1
-- Initial package
+%autochangelog