mysql-test/r/func_encrypt.result:
  Update tests (left after sanjas last push)
mysql-test/r/innodb.result:
  Added test for bug #3749 (bug in deleting automatic generated foreign keys)
mysql-test/t/innodb.test:
  Added test for bug #3749 (bug in deleting automatic generated foreign keys)
sql/sql_class.cc:
  Updated comment
tests/client_test.c:
  Added missing mysql_stmt_close()