Description: Force preludedb-admin to use python3

Author: Thomas Andrejak <thomas.andrejak@gmail.com>

Last-Update: 2019-09-20

--- a/preludedb-admin	2019-09-17 19:29:40.157500525 -0400

+++ b/preludedb-admin	2019-09-22 08:41:53.217541434 -0400

@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/env python3

 #

 # Copyright (C) 2019-2020 CS GROUP - France. All Rights Reserved.

 # Author: Yoann Vandoorselaere <yoannv@gmail.com>