[1/4] msvcirt: Add implementation of streambuf::allocate

[Piotr Caban]

On 06/07/15 20:54, Iván Matellanes wrote:
> +    return CALL_VTBL_FUNC(this, 40, int, (streambuf*), (this));
The code will be easier to read if you define call_streambuf_doallocate 
macro and use it here. It would be also nice to change order of allocate 
and doallocate functions.

Cheers,
Piotr