ipvs: Remove unused return value of protocol state transitions

Acked-by: Julian Anastasov <ja@ssi.bg>
Acked-by Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index c4058bd..a6b8b47 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -425,9 +425,9 @@
 
 	const char *(*state_name)(int state);
 
-	int (*state_transition)(struct ip_vs_conn *cp, int direction,
-				const struct sk_buff *skb,
-				struct ip_vs_proto_data *pd);
+	void (*state_transition)(struct ip_vs_conn *cp, int direction,
+				 const struct sk_buff *skb,
+				 struct ip_vs_proto_data *pd);
 
 	int (*register_app)(struct net *net, struct ip_vs_app *inc);