mysql-test/r/ndb_restore.result:
  Bug #29103 ndb_restore segfaults on NULL var[char|binary]
  - add extra row with NULL value to test
mysql-test/t/ndb_restore.test:
  Bug #29103 ndb_restore segfaults on NULL var[char|binary]
  - add extra row with NULL value to test
storage/ndb/tools/restore/consumer_restore.cpp:
  Bug #29103 ndb_restore segfaults on NULL var[char|binary]
  - check that the attribute is not null