change createLoadBalancerRule to create corresponding firewall rules
diff --git a/cloudstack_loadbalancer.go b/cloudstack_loadbalancer.go
index 64971d0..01cb99c 100644
--- a/cloudstack_loadbalancer.go
+++ b/cloudstack_loadbalancer.go
@@ -462,7 +462,7 @@
 	}
 
 	// Do not create corresponding firewall rule.
-	p.SetOpenfirewall(false)
+	p.SetOpenfirewall(true)
 
 	// Create a new load balancer rule.
 	r, err := lb.LoadBalancer.CreateLoadBalancerRule(p)