CIFS: Show locallease in /proc/mounts for cifs shares mounted with locallease feature.

Missing parameter that should be displayed in the mount list

Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Kenneth D'souza <kdsouza@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>