sstables/sstable_directory: improve log message in reshape()
sstables/sstable_directory: improve log message in reshape()

We were blind about the table which needed reshape and its
compaction strategy, so let's improve log message.

Signed-off-by: Raphael S. Carvalho <1e2942cea40e3b4d2162dfcd9e53e41c05a84d22@scylladb.com>
Message-Id: <20200622192502.187532-4-1e2942cea40e3b4d2162dfcd9e53e41c05a84d22@scylladb.com>

avikivity/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla,avikivity/scylla,avikivity/scylla