[Bug 54731] vbscript: stack_pop_bool doesn't support floats or ole color

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54731

--- Comment #7 from Nikolay Sivov  ---
(In reply to Robert Wilhelm from comment #5)
> The failing test is
>
> while null
>     call ok(false, "while null evaluated")
> wend
>
> Looking at the MR, 
> for case VT_NULL *b is assigned a value two time. 
> At second time from uninitialized Variant v.

Good catch, I'll push an update.