For reasons I don't propose to investigate, on buster udevd shows up
like this:

  2019-11-26 18:13:48 Z LEAKED [process 2633 /lib/systemd/systemd-udevd] process: root      2633  1555  0 18:10 ?        00:00:00 /lib/systemd/systemd-udevd

This does not match our suppression.  Add an additional suppression.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
---
 ts-leak-check | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ts-leak-check b/ts-leak-check
index 41e6245d..f3cca8aa 100755
--- a/ts-leak-check
+++ b/ts-leak-check
@@ -202,6 +202,7 @@ xenstore /vm
 xenstore /libxl
 
 process .* udevd
+process .* .*/systemd-udevd
 process .* /.+/systemd-shim
 
 file /var/run/xenstored/db
-- 
2.20.1