drivers/net: use __packed annotation

cleanup patch.

Use new __packed annotation in drivers/net/

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c
index e155938..f4125da 100644
--- a/drivers/net/wan/sdla.c
+++ b/drivers/net/wan/sdla.c
@@ -330,7 +330,7 @@
 {
 	short dlci;
 	char  flags;
-} __attribute__((packed));
+} __packed;
 
 struct _frad_stat 
 {