lib: remove msg->type and rather use in header value
lib: remove msg->type and rather use in header value

Signed-off-by: Jiri Pirko <1b548d10035ae428195c41f5d55eedb1437ccd8a@resnulli.us>

AGWA/libndp-debian,sgros/MIF_libndp,sgros/MIF_libndp,AGWA/libndp-debian,jpirko/libndp,jpirko/libndp