Modify the license to SPDX format

(cherry picked from commit 4d399981144b427f5c2a4bed718fd5f4dc4515fe)

at.spec

@@ -1,8 +1,8 @@
 Name:             at
 Version:          3.2.2
-Release:          4
+Release:          5
 Summary:          A job manager
-License:          GPLv3+, GPLv2+, ISC, MIT, Public Domain
+License:          GPL-3.0-or-later AND GPL-2.0-or-later AND ISC
 URL:              http://ftp.debian.org/debian/pool/main/a/at
 Source0:          http://software.calhariz.com/at/at_%{version}.orig.tar.gz
 Source1:          pam_atd
@@ -124,6 +124,13 @@ chown root:root %{_localstatedir}/spool/at/.SEQ
 %{_mandir}/man*/*
 
 %changelog
+* Mon Sep 02 2024 Linux_zhang <zhangruifang@h-partners.com> - 3.2.2-5
+- Type：update
+- ID：NA
+- SUG:NA
+- DESC: Modify the license to SPDX format
+        Delete MIT and Public Domain license because it no longer appears in the upstream source
+
 * Fri Jun 9 2023 zhoupengcheng <zhoupengcheng11@huawei.com> - 3.2.2-4
 - Type:bugfix
 - CVE: