vlc: mark as broken

Before 2010.02, VLC didn't build, because it didn't pass the
appropriate --disable- options according to the libraries available in
Buildroot. Now, 2010.05 is going to be released, and no one bothered
to fix VLC. Therefore, let's mark VLC as broken.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>