assert in vcl 'builder.hxx' line 404 somehow trigger a dialog on windows slaves -> hang

[Caolán McNamara]

On Sat, 2016-11-05 at 04:20 -0500, Norbert Thiebaud wrote:
> All the slave bot were hung this morning....
> it turned out that the assert aforementionned was triggering
> and somehow pop-in up a dialog... 

Seeing as its windows specific I assume that the SvxColorListBox
factory doesn't end up in libsvx, but libsvxcore and hence the dialog
that it can't be found.

C.