Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/zchunk.git#6c4b5e26b86842a6975d173bc777150c7a454cff

zchunk.spec

@@ -1,6 +1,6 @@
 Name:           zchunk
 Version:        1.1.9
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Compressed file format that allows easy deltas
 License:        BSD and MIT
 URL:            https://github.com/zchunk/zchunk
@@ -84,6 +84,9 @@ install contrib/gen_xml_dictionary %{buildroot}%{_libexecdir}/zck_gen_xml_dictio
 %{_includedir}/zck.h
 
 %changelog
+* Thu Jan 28 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.9-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Dec 30 2020 Jonathan Dieter <jdieter@gmail.com> - 1.1.9-1
 - Fixes for test failures with zstd-1.4.7+
 - Add man pages