myisamchk did always show Character set: latin1_swedish_ci (8),
regardless what DEFAULT CHARSET the table had.

When the server created a MyISAM table, it did not copy the
characterset number into the MyISAM create info structure.

Added assignment of charset number to MI_CREATE_INFO.


mysql-test/r/myisam.result:
  Bug#29182 - MyISAMCHK reports wrong character set
  Added test result.
mysql-test/t/myisam.test:
  Bug#29182 - MyISAMCHK reports wrong character set
  Added test.
storage/myisam/ha_myisam.cc:
  Bug#29182 - MyISAMCHK reports wrong character set
  Added assignment of charset number to MI_CREATE_INFO.