Add --follow-server-redirects option to MariaDB CLI

This option is ENABLED by default.

All new code of the whole pull request, including one or several files
that are either new files or modified ones, are contributed under the
BSD-new license. I am contributing on behalf of my employer Amazon Web
Services, Inc.

client/mysql.cc

@@ -248,7 +248,8 @@ static my_bool ignore_errors=0,wait_flag=0,quick=0,
                default_pager_set= 0, opt_sigint_ignore= 0,
                auto_vertical_output= 0, show_query_cost= 0,
                show_warnings= 0, executing_query= 0,
-               ignore_spaces= 0, opt_binhex= 0, opt_progress_reports;
+               ignore_spaces= 0, opt_binhex= 0, opt_progress_reports,
+               opt_follow_server_redirects= 1;
 static my_bool debug_info_flag, debug_check_flag, batch_abort_on_error;
 static my_bool column_types_flag;
 static my_bool preserve_comments= 0;
@@ -1508,6 +1509,8 @@ static bool do_connect(MYSQL *mysql, const char *host, const char *user,
   mysql_options(mysql,MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
                 (char*)&opt_ssl_verify_server_cert);
 #endif
+  mysql_options(mysql,MARIADB_OPT_FOLLOW_SERVER_REDIRECTS,
+                (char*)&opt_follow_server_redirects);
   if (opt_protocol)
     mysql_options(mysql,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
   if (opt_plugin_dir && *opt_plugin_dir)
@@ -1770,6 +1773,11 @@ static struct my_option my_long_options[] =
    &opt_mysql_unix_port, &opt_mysql_unix_port, 0, GET_STR_ALLOC,
    REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
 #include "sslopt-longopts.h"
+  {"follow-server-redirects", 0,
+   "Follow server redirects. Disable with "
+   "--disable-follow-server-redirects. This option is enabled by default.",
+   &opt_follow_server_redirects, &opt_follow_server_redirects,
+   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
   {"table", 't', "Output in table format.", &output_tables,
    &output_tables, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
   {"tee", OPT_TEE,