[PATCH v2] server: Don't wait for low level hook result when queuing hardware message.

[Piotr Caban]

Without the change graphic drivers are blocking until low level hooks
are processed when injecting keyboard and mouse events. Causes 2-seconds 
(timeout) freeze in GtaV.

Signed-off-by: Piotr Caban <piotr(a)codeweavers.com>
---
v2:
  - don't specify sender in send_hook_ll_message to avoid queuing result

  server/queue.c | 16 +++++++++++++---
  1 file changed, 13 insertions(+), 3 deletions(-)