Make DirectX default on XP, instead of Direct3d
Make DirectX default on XP, instead of Direct3d

We did that for 2.0 temporarily but kept master normal

This is still broken on some weird configurations, so well, temporary is
going to last..

(cherry picked from commit 9dae581372c5d7b714fd005c5fed6d74e701d889)
Signed-off-by: Jean-Baptiste Kempf <7b85a41a628204b76aba4326273a3ccc74bd009a@videolan.org>

jomanmuk/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1