sql/ha_ndbcluster.cc:
  Bug#20872 master*.err: miscellaneous error messages
  - only allocate share if fully successfull
sql/ha_ndbcluster_binlog.cc:
  Bug#20872 master*.err: miscellaneous error messages
  - only allocate share if fully successfull
  - no need to print error, my_errno is set
sql/ha_ndbcluster_binlog.h:
  Bug#20872 master*.err: miscellaneous error messages
  - only allocate share if fully successfull