BUG: https://bugzilla.samba.org/show_bug.cgi?id=12856



This stops logger reading from stdin.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>

Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Sat Jun 24 14:37:48 CEST 2017 on sn-devel-144

(cherry picked from commit 2fa069e8)