Use "sql_print_error" instead of "sql_print_warning" to get a better

error message in the logs before shutting down the server

sql/mysqld.cc

@@ -3153,14 +3153,14 @@ with --log-bin instead.");
   }
   if (opt_log_slave_updates && !opt_bin_log)
   {
-    sql_print_warning("You need to use --log-bin to make "
+    sql_print_error("You need to use --log-bin to make "
                     "--log-slave-updates work.");
     unireg_abort(1);
   }
 
  if (!opt_bin_log && (global_system_variables.binlog_format != BINLOG_FORMAT_UNSPEC))
   {
-    sql_print_warning("You need to use --log-bin to make "
+    sql_print_error("You need to use --log-bin to make "
                     "--binlog-format work.");
     unireg_abort(1);
   }