xmllite: Avoid warning in test_read_state related to -1 not being in XmlReadState.

[Nikolay Sivov]

On 11/05/2017 12:05 AM, Gerald Pfeifer wrote:

> On Sat, 4 Nov 2017, Nikolay Sivov wrote:
>> Is this warning enabled by default in some release clang version? I'm
>> not necessarily opposed in silencing it like that, but I imagine you'll
>> see many more instances like that, and if it's not default set of
>> warnings I don't know if we should bother.
> Yes, this happens with completely default clang as it is the
> system compiler on FreeBSD 10, reporting itself as clang 3.4.1.
>
> Otherwise I would probably side with "let's not bother" as well
> (and usually use GCC to build Wine).
I can reproduce with clang 3.8.1 on Debian, just sent a fix that does 
not use casting. Thanks for reporting.
>
> Gerald