Introduced by WIN32 -> _WIN32 probably

Close #8804

Close #8510
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Close #8787

So far rawvideo assumed that the full pitch was part of the picture.

The target thread has no defined cancellation points, so simply remove
the vlc_cancel() call. (Adding vlc_savecancel() would work to the same
effects, but with extra code.)

The cancellation-safe section was protected instead of the
cancellation-unsafe section.

This fixes the corner where the username or the password contains @
(although encoding would probably be a better idea).

VLC main() initializes the values too late for interfaces and playlist.

This should fix ISDB-S tuning.

This fixes namespace pollution of picture_sys_t.

This is not needed, and it breaks execution on 10.6 when binary
is compiled on >= 10.7.

Signed-off-by: Rafaël Carré <funman@videolan.org>