Whenever 'myisamchk' needed to recreate a table,
the auto increment information was lost.

Now the forgotten element of the table creation
information is set correctly.


myisam/mi_check.c:
  Bug#10405 - myisamchk damages auto_increment columns when changing character set
  Added some DBUG statements.
  Enabled 'with_auto_increment' in 'create_info'
  when recreating a table.