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/sctp/chunk.c b/net/sctp/chunk.c
index 4d3128f..e1f3550 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -189,7 +189,7 @@
 				    msecs_to_jiffies(sinfo->sinfo_timetolive);
 		msg->can_abandon = 1;
 		SCTP_DEBUG_PRINTK("%s: msg:%p expires_at: %ld jiffies:%ld\n",
-				  __FUNCTION__, msg, msg->expires_at, jiffies);
+				  __func__, msg, msg->expires_at, jiffies);
 	}
 
 	max = asoc->frag_point;