d3dadapter: fix fullscreen initialization

Fix inspired by wined3d/device.c
Fixed games: Bioshock, AoE3, EE3, Mafia 2, SC: Chaos Theory.

Tested-by: Nick Sarnie <commendsarnex@gmail.com>
Tested-by: David Heidelberger <david.heidelberger@ixit.cz>
Signed-off-by: Tiziano Bacocco <tizbac2@gmail.com>