storage_service: Fix get_range_to_address_map_in_local_dc
storage_service: Fix get_range_to_address_map_in_local_dc

This patch fixes a couple of bugs in
get_range_to_address_map_in_local_dc.

Fixes #1517

Signed-off-by: Duarte Nunes <a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>
Message-Id: <1469782666-21320-1-git-send-email-a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>

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