X25: Move SYSCTL ifdefs into header

Moves the CONFIG_SYSCTL ifdefs in x25_init into header.
Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/x25.h

@@ -287,8 +287,14 @@ extern unsigned long x25_display_timer(struct sock *);
 extern void x25_check_rbuf(struct sock *);
 
 /* sysctl_net_x25.c */
+#ifdef CONFIG_SYSCTL
 extern void x25_register_sysctl(void);
 extern void x25_unregister_sysctl(void);
+#else
+static inline void x25_register_sysctl(void) {};
+static inline void x25_unregister_sysctl(void) {};
+#endif /* CONFIG_SYSCTL */
+
 struct x25_skb_cb {
 	unsigned flags;
 };

net/x25/af_x25.c

@@ -1729,9 +1729,7 @@ static int __init x25_init(void)
 
 	printk(KERN_INFO "X.25 for Linux Version 0.2\n");
 
-#ifdef CONFIG_SYSCTL
 	x25_register_sysctl();
-#endif
 	x25_proc_init();
 out:
 	return rc;
@@ -1744,9 +1742,7 @@ static void __exit x25_exit(void)
 	x25_link_free();
 	x25_route_free();
 
-#ifdef CONFIG_SYSCTL
 	x25_unregister_sysctl();
-#endif
 
 	unregister_netdevice_notifier(&x25_dev_notifier);