sql/ha_innodb.cc:
  Fixed a bug no error message for ALTER with InnoDB and AUTO_INCREMENT (Bug #7061).
  If AUTO_INCREMENT is given in the ALTER TABLE, this value is now set
  to the auto increment value of the table if the new value is creater or 
  equal than the current value of the auto increment value. If the new value
  is less than the old value no error message is given and the old value 
  is not changed.