WaE: implicit conversion of NULL constant to 'boost::detail::sp_nullptr_t'

Change-Id: Id0f3345613ae3b9c19cc5f5845140fa1c067bee0
Try putting vcldemo in instdir/program

Chris Sherlock says that should make it possible to get it to actually
run. (Didn't work for me, though.)

Change-Id: I69a7badaf1f19481546866cfa2a417029c305105