Add a suffix for tmpwatch

Change 641608 introduces tmpwatch into logrotate-crond container.
However, LogrotatePurgeAfterDays parameter is parsed in hours because
there is no suffix to the value. This commit adds a suffix, 'd' to the
value.

Closes-Bug: #1836848
Change-Id: I5e2c92a60f73b75a144228fd13ac31fff990a038

deployment/logrotate/logrotate-crond-container-puppet.yaml

@@ -91,7 +91,7 @@ outputs:
                 -X "/var/log/containers/*/*log" \
                 -X "/var/log/containers/*/*/*log" \
                 -X "/var/log/containers/*/*err" \
-                {{ LogrotatePurgeAfterDays|int +1 }} \
+                {{ LogrotatePurgeAfterDays|int +1 }}d \
                 /var/log/containers/ 2>&1 | logger -t container-tmpwatch
           vars:
              LogrotatePurgeAfterDays: {get_param: LogrotatePurgeAfterDays}