fix broken chunked response
fix broken chunked response

broken by this commit: http://review.couchbase.org/78983/

Change-Id: I924d33887cb7f86b0c0f0c8455296ca520edd62b
Reviewed-on: http://review.couchbase.org/79325
Tested-by: Artem Stemkovski <15a0730a27c69f62ab86f2b6c639fca202166c02@couchbase.com>
Reviewed-by: Ajit Yagaty <670a5cadfa9668cb910cc315f6527868cd5ab42a@couchbase.com>

membase/ns_server,membase/ns_server,membase/ns_server,membase/ns_server,membase/ns_server,membase/ns_server