LU-9109 ldlm: restore missing newlines in ldlm sysfs files

LU-9109 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>
Change-Id: Ib9acf8ea6126a16f89da86cfaeadf7685d5c802c
Reviewed-on: https://review.whamcloud.com/25522
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Jenkins
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>