[Bug 35781] kernel32/pipe test fails

https://bugs.winehq.org/show_bug.cgi?id=35781

--- Comment #14 from Austin English  ---
(In reply to Austin English from comment #13)
> From upstream:
>
> I have no idea why you think its a kernel bug.
>
> Kernel is free to enforce a minimum SO_SNDBUF value, without any notice.
>
> SO_SNDBUF is advisory only.
>
> We want being able to switch kernel allocator for skbs to whatever
> granularity we want in the future.
>
> A conformant application would autodiscover what is the _current_ minimum
> value if it really cares.
> ======

=======
+1, agreed to all the above.

strace helps, e.g. setting buffer space to 256 etc, will for sure be
clamped to the new minimum.
=======