!8 Fix command error in %postun

From: @hht8
Reviewed-by: @small_leek
Signed-off-by: @small_leek

mailman.spec

@@ -7,7 +7,7 @@
 
 Name:                mailman
 Version:             3.3.2
-Release:             1
+Release:             2
 Epoch:               3
 Summary:             The GNU mailing list manager
 License:             GPLv3
@@ -172,7 +172,7 @@ done
 %systemd_postun_with_restart mailman3.service mailman3-digests.timer
 if [ $1 -eq 0 ] ; then
   for selinuxvariant in %{selinux_variants}; do
-    %selinux_modules_uninstall -s ${selinuxvariant} %{_datadir}/selinux/${selinuxvariant}/mailman3.pp || :
+    %selinux_modules_uninstall -s ${selinuxvariant} mailman3 || :
   done
 fi
 
@@ -203,6 +203,9 @@ done
 %{_datadir}/selinux/*/mailman3.pp
 
 %changelog
+* Tue Mar 09 2021 huanghaitao <huanghaitao8@huawei.com> - 3.3.2-2
+- Fix command error in %postun
+
 * Fri Dec 18 2020 leiju <leiju4@huawei.com> - 3.3.2-1
 - Update to 3.3.2