Hi,
everytime I upgrade RC, I get this warning:

WARNING: Mimetype to file extension mapping doesn't work properly!
Please check the 'mime_types' config option and run this script again.


My environment is:

# lsb_release -a
LSB Version:    :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID: CentOS
Description:    CentOS release 6.6 (Final)
Release:        6.6
Codename:       Final

# php -v
PHP 5.3.3 (cli) (built: Oct 30 2014 20:12:53)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies


backend: MySQL
web server: nginx

nginx.conf:
user  nginx;
worker_processes  2;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;  <---------------

The file is present on filesystem.

Thank you