Bug#890882: workaround for "Freecad fails to start with Assertion `!xcb_xlib_threads_sequence_lost' failed"

[Jonathan]

Hi,

I've found a temporary workaround for this on the Arch User Repository 
page for freecad.

LIBGL_DRI3_DISABLE=true FreeCAD

Maybe I'll save someone the extra searching...

Kind Regards
gbf