dist: fix typo on scylla_prepare
dist: fix typo on scylla_prepare

Signed-off-by: Takuya ASADA <4ebfb6f510af412d6e89fefa3ab96d9c8b5e3fff@scylladb.com>

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