Added FIELD_TYPE_BIT to field method 'needs_quotes' to make BIT columns
work.


mysql-test/r/federated.result:
  BUG# 14532
  
  Test fix by creating table with bit column and inserting,selecting
mysql-test/t/federated.test:
  BUG# 14532
  
  Test fix by creating table with bit column and inserting,selecting
sql/field.cc:
  BUG #14532
  
  Just needed to quote/escape bit field, add FIELD_TYPE_BIT to switch