Patch (was: tough locale bug)

Goran Thyni wrote:
> 3. text_lt('G','G\0xFF') this is not correct!
>
> Case 3 work not work with strcoll(), in varstr_cmp().
> If I change it to strcoll() to strncmp() it works as expected,
> but it probably breaks sorting etc big time.

Here is a hack which solves the problem without breaking sorting AFAIK.
I have read a lot of code, but has not found any cleaner way to fix
this.
A cleaner solution would be to find the highest char in locale charset
but I found no portable way to do that, any pointers appriciated.

It is not a beauty but it works.
Please apply to -current since it fixes the bug,
unless someone has a better suggestion.

best regards,
--
-----------------
Göran Thyni
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