update libqtxdg.spec.

https://gitee.com/src-openeuler/libqtxdg/issues/I4M6H7?from=project-issue

libqtxdg.spec

@@ -1,7 +1,7 @@
 Name:           libqtxdg
 Summary:        QtXdg, a Qt5 implementation of XDG standards
 Version:        3.3.1
-Release:        3%{?dist}
+Release:        4
 License:        LGPLv2+
 URL:            http://lxqt.org
 Source0:        https://github.com/lxqt/libqtxdg/archive/%{version}/%{name}-%{version}.tar.gz
@@ -66,5 +66,9 @@ make install/fast DESTDIR=%{buildroot} -C %{_target_platform}-qt5
 %{_qt5_archdatadir}/plugins/iconengines/libQt5XdgIconPlugin.so
 
 %changelog
+* Mon Dec 13 2021 heyitao <heyitao@uniontech.com> - 3.3.1-4
+- Remove the dist tag in the version.
+
+
 * Thu Jul 23 2020 Zhao Yang <yangzhao1@kylinos.cn> - 3.3.1-3
 - Initial release for OpenEuler