Adding a sepcific template initialization in messaging_service to use the serializer
Adding a sepcific template initialization in messaging_service to use
the serializer

This patch adds a specific template initialization so that the rpc would
use the serializer and deserializer that are auto-generated.

Signed-off-by: Amnon Heiman <ed5fc74c4692051ad0b19749fd7cea6ec2d74b9e@scylladb.com>

scylladb/scylla,raphaelsc/scylla,kjniemi/scylla,avikivity/scylla,raphaelsc/scylla,avikivity/scylla,duarten/scylla,kjniemi/scylla,scylladb/scylla,kjniemi/scylla,scylladb/scylla,scylladb/scylla,duarten/scylla,avikivity/scylla,duarten/scylla,raphaelsc/scylla