convert to rpmautospec

changelog

@@ -0,0 +1,9 @@
+* Tue Jul 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.15-2
+- Second attempt - Rebuilt for
+  https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Thu May 27 2021 Fabio Valentini <decathorpe@gmail.com> - 0.3.15-1
+- Update to version 0.3.15.
+
+* Mon May 10 2021 Fabio Valentini <decathorpe@gmail.com> - 0.3.14-1
+- Initial package

rust-futures-test.spec

@@ -7,7 +7,7 @@
 
 Name:           rust-%{crate}
 Version:        0.3.15
-Release:        2%{?dist}
+Release:        %autorelease
 Summary:        Common utilities for testing components built off futures-rs
 
 # Upstream license specification: MIT OR Apache-2.0
@@ -83,12 +83,4 @@ which use "std" feature of "%{crate}" crate.
 %endif
 
 %changelog
-* Tue Jul 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.15-2
+%autochangelog
-- Second attempt - Rebuilt for
-  https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
-
-* Thu May 27 2021 Fabio Valentini <decathorpe@gmail.com> - 0.3.15-1
-- Update to version 0.3.15.
-
-* Mon May 10 2021 Fabio Valentini <decathorpe@gmail.com> - 0.3.14-1
-- Initial package