Add --secure-auth parameter like mysql command-line client.

mysql-5.6.15_mysqlbinlog.patch

*** client/mysqlbinlog.cc.org   2013-11-18 03:02:54.000000000 +0900
--- client/mysqlbinlog.cc       2013-12-26 19:27:05.618812123 +0900
***************
*** 158,163 ****
--- 158,164 ----
  Checkable_rwlock *global_sid_lock= NULL;
  Gtid_set *gtid_set_included= NULL;
  Gtid_set *gtid_set_excluded= NULL;
+ my_bool opt_secure_auth= FALSE;


  /**
***************
*** 1584,1589 ****
--- 1585,1595 ----
     "Identifiers were provided.",
     &opt_exclude_gtids_str, &opt_exclude_gtids_str, 0,
     GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+   {"secure-auth", OPT_SECURE_AUTH,
+     "Refuse client connecting to server if it"
+     " uses old (pre-4.1.1) protocol.",
+     &opt_secure_auth, &opt_secure_auth, 0,
+     GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
    {0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
  };

***************
*** 1841,1846 ****
--- 1847,1853 ----
    mysql_options(mysql, MYSQL_OPT_CONNECT_ATTR_RESET, 0);
    mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD,
                   "program_name", "mysqlbinlog");
+   mysql_options(mysql, MYSQL_SECURE_AUTH, (char *) &opt_secure_auth);
    if (!mysql_real_connect(mysql, host, user, pass, 0, port, sock, 0))
    {
      error("Failed on connect: %s", mysql_error(mysql));