Some after merge fixes


mysql-test/r/ctype_latin1_de.result:
  Changed test to have more relevant results
mysql-test/r/delete.result:
  Updated results after merge
mysql-test/r/select.result:
  Remove explicit database usage
mysql-test/r/type_datetime.result:
  Updated results after merge
mysql-test/t/ctype_latin1_de.test:
  Changed test to have more relevant results
mysql-test/t/select.test:
  Remove explicit database usage
sql/ha_myisam.cc:
  Fixed AUTO_INCREMENT handling in MyISAM (last auto_increment patch broke things)