From 082c7ca42b0bf33aa3fb5eeb619dfbcfaa20d216 Mon Sep 17 00:00:00 2001
From: Gao feng <gaofeng@cn.fujitsu.com>
Date: Tue, 19 Feb 2013 00:43:12 +0000
Subject: [PATCH] net: ipv4: fix waring -Wunused-variable

the vars ip_rt_gc_timeout is used only when
CONFIG_SYSCTL is selected.

move these vars into CONFIG_SYSCTL.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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