CBLT-316:  fix typo in LITESERV_PORT

Change-Id: Ic6d6262086c7d822e61f1107932d93c0453663b1
Reviewed-on: http://review.couchbase.org/38042
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>