inetpeer_gc_worker: trivial cleanup

Do not initialize list twice.
list_replace_init() already takes care of initializing list.
We don't need to initialize it with LIST_HEAD() beforehand.
Signed-off-by: Nxiao jin <jin.xiao@intel.com>
Reviewed-by: NDavid Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/inetpeer.c

@@ -120,7 +120,7 @@ int inet_peer_maxttl __read_mostly = 10 * 60 * HZ;	/* usual time to live: 10 min
 static void inetpeer_gc_worker(struct work_struct *work)
 {
 	struct inet_peer *p, *n, *c;
-	LIST_HEAD(list);
+	struct list_head list;
 
 	spin_lock_bh(&gc_lock);
 	list_replace_init(&gc_list, &list);