net: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index 860140c..f728ffe 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -1427,7 +1427,7 @@
 {
 	if (llc_sk(sk)->state == LLC_CONN_OUT_OF_SVC) {
 		printk(KERN_WARNING "%s: timer called on closed connection\n",
-		       __FUNCTION__);
+		       __func__);
 		kfree_skb(skb);
 	} else {
 		if (!sock_owned_by_user(sk))