This fixes a bug when doing multi-row inserts on table with an auto_increment key that is not in the first key segment.


Docs/manual.texi:
  Changelog
include/my_base.h:
  Added code to flush a bulk_insert index
myisam/mi_extra.c:
  Added code to flush a bulk_insert index
mysql-test/r/insert.result:
  test of auto_increment and bulk_insert
mysql-test/t/insert.test:
  test of auto_increment and bulk_insert
sql/ha_myisam.cc:
  Added code to flush a bulk_insert index
sql/sql_insert.cc:
  Mark that bulk_insert is used
sql/sql_load.cc:
  Mark that bulk_insert is used
  Remove duplicated call to initialize bulk insert
sql/table.h:
  Mark that bulk_insert is used
vio/viosslfactories.c:
  Remove compiler warning