Print a warning instead of error on failure to open non-existing table.
This is a temporary patch to prevent a bug in NDB from stopping the slave.


mysql-test/r/rpl_ndb_blob.result:
  result change
mysql-test/t/disabled.def:
  Disabling problematic tests.
mysql-test/t/rpl_ndb_blob.test:
  Don't show binlog since it's not deterministic.
sql/log_event.cc:
  Print a warning instead of error on failure to open non-existing table.
  This is a temporary patch to prevent a bug in NDB from stopping the slave.