set auto_increment_field_not_null to true to preserve zero values
  for autoincrement fields during LOAD DATA execution if 
  NO_AUTO_VALUE_ON_ZERO sql mode is set


mysql-test/r/loaddata.result:
  Fix for bug#12053 LOAD DATA INFILE ignores NO_AUTO_VALUE_ON_ZERO setting
    test case
mysql-test/t/loaddata.test:
  Fix for bug#12053 LOAD DATA INFILE ignores NO_AUTO_VALUE_ON_ZERO setting
    test case