net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/tcp_westwood.c

@@ -80,7 +80,7 @@ static void tcp_westwood_init(struct sock *sk)
  */
 static inline u32 westwood_do_filter(u32 a, u32 b)
 {
-	return (((7 * a) + b) >> 3);
+	return ((7 * a) + b) >> 3;
 }
 
 static void westwood_filter(struct westwood *w, u32 delta)