Did a small change to ImplSVEvent * Window::PostUserEvent( const Link<void*,void>& rLink, ... ) in event.cxx file. Patch No. 5

Change-Id: I9e7fd099aec6d5d2060bdf4761f4cff4fbe31544
Reviewed-on: https://gerrit.libreoffice.org/21219Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>