[IPV6]: Make a function static in ndisc.c

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/ndisc.c

@@ -1594,10 +1594,11 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f
 	return ret;
 }
 
-int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name, int nlen,
-				 void __user *oldval, size_t __user *oldlenp,
-				 void __user *newval, size_t newlen,
-				 void **context)
+static int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
+					int nlen, void __user *oldval,
+					size_t __user *oldlenp,
+					void __user *newval, size_t newlen,
+					void **context)
 {
 	struct net_device *dev = ctl->extra1;
 	struct inet6_dev *idev;