Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/diffutils.git#26b96e31084794e8e3b555406b48db9d8446e4c6

diffutils.spec

@@ -1,17 +1,18 @@
-Summary: A GNU collection of diff utilities
+Summary: GNU collection of diff utilities
 Name: diffutils
 Version: 3.7
-Release: 7.1%{?dist}
-URL: http://www.gnu.org/software/diffutils/diffutils.html
-Source: ftp://ftp.gnu.org/gnu/diffutils/diffutils-%{version}.tar.xz
+Release: 8%{?dist}
+URL: https://www.gnu.org/software/diffutils/diffutils.html
+Source: https://ftp.gnu.org/gnu/diffutils/diffutils-%{version}.tar.xz
 Patch1: diffutils-cmp-s-empty.patch
 Patch2: diffutils-i18n.patch
 Patch3: diffutils-fix-gnulib-tests.patch
 License: GPLv3+
 Provides: bundled(gnulib)
-BuildRequires:  gcc
+BuildRequires: gcc
 BuildRequires: help2man
 BuildRequires: autoconf, automake, texinfo
+BuildRequires: make
 
 %description
 Diffutils includes four utilities: diff, cmp, diff3 and sdiff. Diff
@@ -62,8 +63,8 @@ make check
 %{_infodir}/diffutils.info*
 
 %changelog
-* Sun Dec 20 2020 Petr Šabata <contyk@redhat.com> - 3.7-7.1
-- Bump for gcc11
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 3.7-8
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
 * Thu Oct  8 2020 Tim Waugh <twaugh@redhat.com> - 3.7-7
 - Fix from gnulib upstream, commit 175e0bc (bug #1863423).