Fixup incorrect name for installed dcp header

Change-Id: Iaa5d0fbbecdd037c68ebdeb3d5a89e449b636e21
Reviewed-on: http://review.couchbase.org/39776
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>