The current buffer is 1024, however the ioctl call can handle
a max length of 8191.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47013Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>