fix a regression, cmp-s returns 1 even if files are identical

diffutils.spec

@@ -1,11 +1,13 @@
 Summary: GNU collection of diff utilities
 Name: diffutils
 Version: 3.10
-Release: 6%{?dist}
+Release: 7%{?dist}
 URL: https://www.gnu.org/software/diffutils/diffutils.html
 Source: https://ftp.gnu.org/gnu/diffutils/diffutils-%{version}.tar.xz
+# Multibyte
 Patch0: diffutils-i18n.patch
 Patch1: 0001-diff-Fix-output-of-diff-l-y-for-non-ASCII-input-file.patch
+Patch2: diffutils-3.10-cmp-s-empty.patch
 License: GPL-3.0-or-later
 Provides: bundled(gnulib)
 BuildRequires: gcc
@@ -27,10 +29,7 @@ to merge two files interactively.
 Install diffutils if you need to compare text files.
 
 %prep
-%setup -q
-# Multibyte
-%patch -P0 -p1 -b .i18n
-%patch -P1 -p1 -b .fix-output-of-diff-l-y-for-non-ASCII-input-file
+%autosetup -p1
 
 # Run autoreconf for aarch64 support (bug #925256).
 autoreconf
@@ -58,6 +57,9 @@ make check
 %{_infodir}/diffutils.info*
 
 %changelog
+* Tue Jul 23 2024 Than Ngo <than@redhat.com> - 3.10-7
+- fix a regression, cmp-s returns 1 even if files are identical
+
 * Wed Jul 17 2024 Fedora Release Engineering <releng@fedoraproject.org> - 3.10-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild