Internal InnoDN FK parser does not recognize '\'' as quotation symbol.
Suggested fix is to add '\'' symbol check for quotation condition
(dict_strip_comments() function).


innobase/dict/dict0dict.c:
  Internal InnoDN FK parser does not recognize '\'' as quotation symbol.
  Suggested fix is to add '\'' symbol check for quotation condition
  (dict_strip_comments() function).
mysql-test/r/innodb_mysql.result:
  test result
mysql-test/t/innodb_mysql.test:
  test case