Install acl package on backupninja nodes

Change-Id: I1742511a51e959d383a3dc3241fdbdba64b3a804
Related-Prod: PROD-33911
diff --git a/backupninja/map.jinja b/backupninja/map.jinja
index 6a92676..e599d96 100644
--- a/backupninja/map.jinja
+++ b/backupninja/map.jinja
@@ -1,6 +1,6 @@
 {% set client = salt['grains.filter_by']({

   'Debian': {

-    'pkgs': ['backupninja', 'debconf-utils', 'bsd-mailx', 'python-boto', 'rsync'],

+    'pkgs': ['backupninja', 'debconf-utils', 'bsd-mailx', 'python-boto', 'rsync', 'acl'],

     'service': 'backupninja',

     'report': {'email': 'root'},

     'config': '/etc/default/backupninja',