lapb: get rid of non-const printk warning

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 06beba4..96d9eda4 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -430,7 +430,7 @@
 	.notifier_call = lapbeth_device_event,
 };
 
-static const char banner[] __initdata =
+static const char banner[] __initconst =
 	KERN_INFO "LAPB Ethernet driver version 0.02\n";
 
 static int __init lapbeth_init_driver(void)