fix groupname is not avalid name error

jack-audio-connection-kit.spec

@@ -1,6 +1,8 @@
+%global groupname jackuser
+
 Name:           jack-audio-connection-kit
 Version:        1.9.14
-Release:        2
+Release:        3
 Summary:        A professional sound server
 License:        GPL-2.0 and GPL-2.0+ and LGPL-2.1+ and GPL-3.0+
 URL:            http://github.com/jackaudio/jack2
@@ -88,6 +90,9 @@ exit 0
 %exclude %{_mandir}/man1/jack_impulse_grabber.1*
 
 %changelog
+* Fri Oct 22 2021 Ge Wang <wangge20@huawei.com> - 1.9.14-3
+- Fix groupname is not a valid name error
+
 * Wed Jan 20 2021 Ge Wang <wangge20@huawei.com> - 1.9.14-2
 - Modify license information.