ntdll: Don't use strncasecmp for _strnicmp implementation

[Jacek Caban]

On 10/16/12 13:21, Jacek Caban wrote:
>> How exactly? Do you know more details / urls?
>>
>> Does it return -n ... +n values? Like the memcmp optimization that caused mysql security issue?
>> In that case my patch should work.
> From what I know following call crashes:
> strncasecmp("", "", 1);
> It's probably a corner case for some optimizations.
>

FWIW it was a known, already fixed, upstream glibc bug:
http://sourceware.org/bugzilla/show_bug.cgi?id=14195

Jacek