Extend aligned_membuf<> usage

[François Dumont]

On 20/02/2018 20:59, Jonathan Wakely wrote:
> On 8 February 2018 at 06:10, François Dumont wrote:
>> On 06/02/2018 20:16, François Dumont wrote:
>>> On 05/02/2018 18:16, Jonathan Wakely wrote:
>>>> Wouldn't it make more sense to simply make __aligned_buffer identical
>>>> to __aligned_membuf for the versioned-namespace? Then at least the
>>>> conditional code is only in one place.
>>>>
>>> Yes, __aligned_buffer is indeed not used, we could do that. I'll propose a
>>> patch to do so.
>>>
>> So here it is, ok to commit ?
> OK, because it only affects the gnu-versioned-namespace mode.
>
Ok, done now.