VR: Fix haproxy log rotation in VR system VM (#7587)

diff --git a/systemvm/debian/etc/logrotate.d/haproxy b/systemvm/debian/etc/logrotate.d/haproxy
index 4642097..a6b72b6 100644
--- a/systemvm/debian/etc/logrotate.d/haproxy
+++ b/systemvm/debian/etc/logrotate.d/haproxy
@@ -4,6 +4,6 @@
     notifempty
     maxsize 10M
     postrotate
-      /bin/kill -HUP `cat /var/run/rsyslog.pid 2> /dev/null` 2> /dev/null || true
+      /usr/lib/rsyslog/rsyslog-rotate
     endscript
 }