[NET]: cleanup extra semicolons

Spring cleaning time...

There seems to be a lot of places in the network code that have
extra bogus semicolons after conditionals.  Most commonly is a
bogus semicolon after: switch() { }

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/bluetooth/sco.c

@@ -393,7 +393,7 @@ static void sco_sock_close(struct sock *sk)
 	default:
 		sock_set_flag(sk, SOCK_ZAPPED);
 		break;
-	};
+	}
 
 	release_sock(sk);