added missing DBUG_RETURN's
mysql-test/r/ndb_read_multi_range.result@1.0
    BitKeeper file /home/tomas/wl2126/mysql-test/r/ndb_read_multi_range.result
mysql-test/r/ndb_read_multi_range.result@1.1
    (NO COMMENTS AVAILABLE)
mysql-test/t/ndb_read_multi_range.test@1.0
    BitKeeper file /home/tomas/wl2126/mysql-test/t/ndb_read_multi_range.test
mysql-test/t/ndb_read_multi_range.test@1.1
    (NO COMMENTS AVAILABLE)


sql/ha_ndbcluster.cc:
  added missing DBUG_RETURN's