tipc: Eliminate useless initialization when creating subscriber

Removes initialization of a local variable that is always assigned
a different value before it is referenced.
Signed-off-by: NAllan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/tipc/subscr.c

@@ -542,7 +542,7 @@ static void subscr_named_msg_event(void *usr_handle,
 int tipc_subscr_start(void)
 {
 	struct tipc_name_seq seq = {TIPC_TOP_SRV, TIPC_TOP_SRV, TIPC_TOP_SRV};
-	int res = -1;
+	int res;
 
 	memset(&topsrv, 0, sizeof (topsrv));
 	spin_lock_init(&topsrv.lock);