Refactor: use htonl(100) for invalid packet length
Refactor: use htonl(100) for invalid packet length

(otherwise the bodylen is incredible big and won't fit in the
buffer)

Change-Id: I45ea54cdf4077b0b569d4c93f1acab3676d35e11
Reviewed-on: http://review.couchbase.org/81093
Reviewed-by: Daniel Owen <b3fc0e1a51f252986e60be7da121b74d3ac6845f@couchbase.com>
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine