net: ipv4: fix waring -Wunused-variable
authorGao feng <gaofeng@cn.fujitsu.com>
Tue, 19 Feb 2013 00:43:12 +0000 (00:43 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 19 Feb 2013 18:18:13 +0000 (13:18 -0500)
commit082c7ca42b0bf33aa3fb5eeb619dfbcfaa20d216
treedd5a57d3ab10874d9bca9856e2c61622d7c23ec8
parent4fc1a601f147abe3bfb4d70fe718110ed21953e1
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>
net/ipv4/route.c