sysctl: net: call unregister_net_sysctl_table where needed

ctl_table_headers registered with register_net_sysctl_table should
have been unregistered with the equivalent unregister_net_sysctl_table
Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/devinet.c

@@ -1680,7 +1680,7 @@ static void __devinet_sysctl_unregister(struct ipv4_devconf *cnf)
 		return;
 
 	cnf->sysctl = NULL;
-	unregister_sysctl_table(t->sysctl_header);
+	unregister_net_sysctl_table(t->sysctl_header);
 	kfree(t->dev_name);
 	kfree(t);
 }

net/ipv6/addrconf.c

@@ -4537,7 +4537,7 @@ static void __addrconf_sysctl_unregister(struct ipv6_devconf *p)
 
 	t = p->sysctl;
 	p->sysctl = NULL;
-	unregister_sysctl_table(t->sysctl_header);
+	unregister_net_sysctl_table(t->sysctl_header);
 	kfree(t->dev_name);
 	kfree(t);
 }