Get rid of error when running mariadb-install-db with --log-bin

This removes the error:
"Failed to load slave replication state from table mysql.gtid_slave_pos:
1017: Can't find file: './mysql/' (errno: 2 "No such file or directory")

sql/mysqld.cc

@@ -4710,9 +4710,9 @@ static int init_server_components()
   proc_info_hook= set_thd_stage_info;
 
   /*
-    Print source revision hash, as one of the first lines, if not the
-    first in error log, for troubleshooting and debugging purposes
-  */
+    Print source revision hash, as one of the first lines, if not the
+    first in error log, for troubleshooting and debugging purposes
+  */
   if (!opt_help)
     sql_print_information("Starting MariaDB %s source revision %s as process %lu",
                           server_version, SOURCE_REVISION, (ulong) getpid());
@@ -4740,6 +4740,19 @@ static int init_server_components()
 
   xid_cache_init();
 
+  /*
+    Do not open binlong when doing bootstrap.
+    This ensures that rpl_load_gtid_slave_state() will not fail with an error
+    as the mysql schema does not yet exists.
+    This also ensures that we don't get an empty binlog file if the user has
+    log-bin in his config files.
+  */
+  if (opt_bootstrap)
+  {
+    opt_bin_log= opt_bin_log_used= binlog_format_used= 0;
+    opt_log_slave_updates= 0;
+  }
+
   /* need to configure logging before initializing storage engines */
   if (!opt_bin_log_used && !WSREP_ON)
   {