mISDN: Cleanup debug messages

This patch make debug printk's KERN_DEBUG and also fix some
codestyle issues.

Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 2a2c30a..c36f521 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -222,7 +222,7 @@
 	} else { /* use default for L2 messages */
 		if ((sk->sk_protocol == ISDN_P_LAPD_TE) ||
 		    (sk->sk_protocol == ISDN_P_LAPD_NT))
-		    mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr;
+			mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr;
 	}
 
 	if (*debug & DEBUG_SOCKET)