Switch to rpmautospec

Signed-off-by: Igor Raits <ignatenkobrain@fedoraproject.org>

changelog

@@ -0,0 +1,5 @@
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.0.2-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Sat Feb 27 2021 Fabio Valentini <decathorpe@gmail.com> - 2.0.2-1
+- Initial package

rust-tiny-keccak.spec

@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        2.0.2
-Release:        2%{?dist}
+Release:        %autorelease
 Summary:        Implementation of Keccak derived functions
 
 # Upstream license specification: CC0-1.0
@@ -191,8 +191,4 @@ which use "tuple_hash" feature of "%{crate}" crate.
 %endif
 
 %changelog
-* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.0.2-2
+%autochangelog
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
-
-* Sat Feb 27 2021 Fabio Valentini <decathorpe@gmail.com> - 2.0.2-1
-- Initial package