[NET] AX25: Fix whitespace errors.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ax25/ax25_std_timer.c b/net/ax25/ax25_std_timer.c
index a29c480..e3528b1 100644
--- a/net/ax25/ax25_std_timer.c
+++ b/net/ax25/ax25_std_timer.c
@@ -34,7 +34,7 @@
 void ax25_std_heartbeat_expiry(ax25_cb *ax25)
 {
 	struct sock *sk=ax25->sk;
-	
+
 	if (sk)
 		bh_lock_sock(sk);