Make multi-statements the preferred option name (to coincide
  with the renaming of the CLIENT_MULTI_RESULTS symbol to
  CLIENT_MULTI_STATEMENTS). Continue to allow multi-queries
  for backward compatibility.


sql-common/client.c:
  Make multi-statements the preferred option name (to coincide
  with the renaming of the CLIENT_MULTI_RESULTS symbol to
  CLIENT_MULTI_STATEMENTS). Continue to allow multi-queries
  for backward compatibility.