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>
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index b11248c..ecfaac1 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -184,7 +184,7 @@
 
 static int bclink_ack_allowed(u32 n)
 {
-	return((n % TIPC_MIN_LINK_WIN) == tipc_own_tag);
+	return (n % TIPC_MIN_LINK_WIN) == tipc_own_tag;
 }