Fixes issue #392.
Fixes issue #392.

Changed:
sys/net/netmap_user.h:
	nm_inject and nm_dispatch did not inject into/read from
	rings in the range first_*x_ring+1 .. cur_*x_ring-1.

luigirizzo/netmap,luigirizzo/netmap,luigirizzo/netmap,luigirizzo/netmap,luigirizzo/netmap