- parse indexname using "split" instead of sscanf, as not to break at space
- test case with space in key
- enclose names in printout


mysql-test/r/ndb_restore.result:
  Bug #27758 Restoring NDB backups makes table usable in SQL nodes
  - change to using an index with space to reproduce bug
mysql-test/t/ndb_restore.test:
  Bug #27758 Restoring NDB backups makes table usable in SQL nodes
  - change to using an index with space to reproduce bug
ndb/tools/restore/consumer_restore.cpp:
  Bug #27758 Restoring NDB backups makes table usable in SQL nodes
  - parse indexname using "split" instead of sscanf, as not to break at space
  - enclose names in printout
ndb/tools/restore/restore_main.cpp:
  Bug #27758 Restoring NDB backups makes table usable in SQL nodes
  - enclose names in printout
sql/ha_ndbcluster.cc:
  Bug #27758 Restoring NDB backups makes table usable in SQL nodes
  - correct error message