Update license tag to conform with SPDX

Resolves: RHEL-35723

pcaudiolib.spec

@@ -1,11 +1,11 @@
 Name:           pcaudiolib
 Version:        1.1
-Release:        14%{?dist}
+Release:        15%{?dist}
 Summary:        Portable C Audio Library
 
 # pcaudiolib bundles TPCircularBuffer with Cube license, which is only used
 # by coreaudio support, which we do not build. The rest is GPLv3+.
-License:        GPLv3+
+License:        GPL-3.0-or-later
 URL:            https://github.com/rhdunn/pcaudiolib
 Source0:        %{url}/archive/%{version}.tar.gz
 
@@ -51,6 +51,10 @@ rm -vf %{buildroot}%{_libdir}/*.{a,la}
 %{_includedir}/%{name}/audio.h
 
 %changelog
+* Mon Jun 03 2024 Tomas Korbar <tkorbar@redhat.com> - 1.1-15
+- Update license tag to conform with SPDX
+- Resolves: RHEL-35723
+
 * Thu Jan 25 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.1-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild