Minor issue, umask rfkill only on uninstall

tlp.spec

@@ -91,7 +91,9 @@ systemctl mask systemd-rfkill.service
 %postun
 %systemd_postun_with_restart tlp.service
 %systemd_postun_with_restart tlp-sleep.service
-systemctl unmask systemd-rfkill.service
+if [ $1 -eq 0 ] ; then
+    systemctl unmask systemd-rfkill.service
+fi
 
 %post rdw
 /bin/systemctl enable NetworkManager-dispatcher.service >/dev/null 2>&1 || :