fw4.uc: fix family test functions

Rewrite the family test functions as arrow functions since ucode HEAD does
implicitly return the last function value expression as result anymore for
ordinary functions.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 3 insertions, 3 deletions

diff --git a/root/usr/share/ucode/fw4.uc b/root/usr/share/ucode/fw4.uc
index c8396fa..b120ed4 100644
--- a/root/usr/share/ucode/fw4.uc
+++ b/root/usr/share/ucode/fw4.uc
@@ -253,9 +253,9 @@ function ensure_tcpudp(x) {
 	return false;
 }
 
-function is_family(x, v) { x.family == 0 || x.family == v }
-function family_is_ipv4(x) { x.family == 0 || x.family == 4 }
-function family_is_ipv6(x) { x.family == 0 || x.family == 6 }
+let is_family = (x, v) => (x.family == 0 || x.family == v);
+let family_is_ipv4 = (x) => (x.family == 0 || x.family == 4);
+let family_is_ipv6 = (x) => (x.family == 0 || x.family == 6);
 
 function infer_family(f, objects) {
 	let res = f;