libmysqld/lib_sql.cc:
  Protocol::send_fields added
sql/ha_berkeley.cc:
  set_nfields calls added
sql/ha_myisam.cc:
  set_nfield call added
sql/mysql_priv.h:
  embedded_send_row header changed
sql/protocol.cc:
  Protocol::write edited for embedded case
sql/protocol.h:
  n_fields member added
sql/sql_table.cc:
  sen_nfields added