[kio] src/filewidgets: Use QVector instead of QSet as Kévin suggested to help with QSet ordering unstability.

[David Faure]

On Friday 14 August 2015 11:41:31 Kevin Ottens wrote:
> 
> You could also remove the QSet randomization using QT_HASH_SEED and 
> potentially QT_NO_CPU_FEATURE.

Thanks, that solved it. I thought I was doing it already with 
qt_qhash_seed but initTestCase() was probably too late for that,
so now I use a Q_CONSTRUCTOR_FUNCTION and set both env vars.

All green again! Yay.

I withdraw my Solid patch.

-- 
David Faure, faure at kde.org, http://www.davidfaure.fr
Working on KDE Frameworks 5