MDEV-13928: Missing symbols building RocksDB on macOS 10.12.6
MDEV-13928: Missing symbols building RocksDB on macOS 10.12.6

rdb_sst_info.cc must be compiled with RTTI

natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2