File support-deepin-desktop.patch of Package xdg-utils

diff -Nur xdg-utils-1.1.3+20200220/scripts/xdg-su.in xdg-utils-1.1.3+20200220-new/scripts/xdg-su.in
--- xdg-utils-1.1.3+20200220/scripts/xdg-su.in	2020-02-21 05:01:04.000000000 +0800
+++ xdg-utils-1.1.3+20200220-new/scripts/xdg-su.in	2021-04-24 20:48:46.501510379 +0800
@@ -198,7 +198,7 @@
     su_kde
     ;;
 
-    gnome*|cinnamon|lxde|mate)
+    gnome*|cinnamon|lxde|mate|deepin)
     su_gnome
     ;;