buildroot

mrouted: fix bcopy patch oops

The bcopy patch just changes bcopy for memmove which is incorrect since
bcopy and memmove use reversed src and dest parameters between them.
Oops!

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>