[boost] [UUID] seed_rng.hpp contains invalid forward declaration of random_device

The following fails to compile with 1.47.0: #include <boost/uuid/seed_rng.hpp> #include <boost/random/random_device.hpp> It used to work with 1.46.1 (using nondet_random.hpp) Filed as https://svn.boost.org/trac/boost/ticket/5794 -- /Johan.