convert license to SPDX

This is part of https://fedoraproject.org/wiki/Changes/SPDX_Licenses_Phase_4

dpkg.spec

@@ -3,7 +3,7 @@
 
 Name:           dpkg
 Version:        1.22.6
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Package maintenance system for Debian Linux
 # The entire source code is GPLv2+ with exception of the following
 # lib/dpkg/md5.c, lib/dpkg/md5.h - Public domain
@@ -11,7 +11,8 @@ Summary:        Package maintenance system for Debian Linux
 # dselect/methods/ftp - GPL no version info
 # scripts/Dpkg/Gettext.pm - BSD
 # lib/compat/obstack.h, lib/compat/gettext.h,lib/compat/obstack.c - LGPLv2+
-License:        GPLv2 and GPLv2+ and LGPLv2+ and Public Domain and BSD
+# Automatically converted from old format: GPLv2 and GPLv2+ and LGPLv2+ and Public Domain and BSD - review is highly recommended.
+License:        GPL-2.0-only AND GPL-2.0-or-later AND LicenseRef-Callaway-LGPLv2+ AND LicenseRef-Callaway-Public-Domain AND LicenseRef-Callaway-BSD
 URL:            https://tracker.debian.org/pkg/dpkg
 Source0:        http://ftp.debian.org/debian/pool/main/d/dpkg/%{name}_%{version}.tar.xz
 # https://lists.debian.org/debian-dpkg/2017/08/msg00002.html
@@ -492,6 +493,9 @@ make VERBOSE=1 TESTSUITEFLAGS=--verbose \
 
 
 %changelog
+* Wed Aug 28 2024 Miroslav Suchý <msuchy@redhat.com> - 1.22.6-3
+- convert license to SPDX
+
 * Wed Jul 17 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.22.6-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild