Convert to rpmautospec

changelog

@@ -0,0 +1,8 @@
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.0-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
+* Fri Dec 25 17:11:54 CET 2020 Igor Raits <igor.raits@gmail.com> - 2.4.0-1
+- Initial package

rust-os_str_bytes.spec

@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        2.4.0
-Release:        3%{?dist}
+Release:        %autorelease
 Summary:        Traits for converting between byte sequences and platform-native strings
 
 # Upstream license specification: MIT OR Apache-2.0
@@ -83,11 +83,4 @@ which use "raw" feature of "%{crate}" crate.
 %endif
 
 %changelog
-* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.0-3
+%autochangelog
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
-
-* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
-
-* Fri Dec 25 17:11:54 CET 2020 Igor Raits <igor.raits@gmail.com> - 2.4.0-1
-- Initial package