dql_init always returned 0, and the only place that uses it
in network core code didn't care about the return value anyway.
Signed-off-by: NStephen Hemminger <sthemmin@microsoft.com>
Acked-by: NHiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>