Bug#824671: missing widl

[Jens Reyer]

control: tags -1 + pending

commit 8958b3d2432ec1d3212125617b9b3e66eb39a85d
Author: Jens Reyer <jre.wine...@gmail.com>
Date:   Thu May 19 14:53:42 2016 +0200

    Add widl to the -tools packages.

    Closes: #824671
    Thanks: Andrey Gursky