[PATCH 4/6] winex11: Return selection data as a single buffer from import_xdnd_selection.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
The plan for xdnd.c is to remain in PE part of the driver. This patch 
prepares selection data to be conveniently passed across syscall boundary.

  dlls/winex11.drv/clipboard.c | 29 +++++++++++++++++------------
  dlls/winex11.drv/x11drv.h    | 14 +++++++++++---
  dlls/winex11.drv/xdnd.c      | 26 ++++++++++++++++++++++++--
  3 files changed, 52 insertions(+), 17 deletions(-)