staging: lustre: ldlm: restore missing newlines in ldlm sysfs files

Restore the missing trailing newlines in
/sys/fs/lustre/ldlm/namespaces/*/lru_{max_age,size}.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-9109
Reviewed-on: https://review.whamcloud.com/25522


Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>