netem: missing break in ge loss generator

There is a missing break statement in the Gilbert Elliot loss model
generator which makes state machine behave incorrectly.

Reported-by: Martin Burri <martin.burri@ch.abb.com
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 75c94e5..6e91323 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -268,6 +268,7 @@
 			clg->state = 2;
 		if (net_random() < clg->a4)
 			return true;
+		break;
 	case 2:
 		if (net_random() < clg->a2)
 			clg->state = 1;