daemon: make SO_ACCEPTFILTER a shared variable

Constant subroutines use more memory and there's no need to
optimize it for inlining since it's only used at startup.

1 files changed, 4 insertions, 2 deletions

diff --git a/t/httpd.t b/t/httpd.t
index 849f61bb..aa601210 100644
--- a/t/httpd.t
+++ b/t/httpd.t
@@ -109,8 +109,10 @@ SKIP: {
                 skip 'accf_http not loaded: kldload accf_http', 1;
         }
         require PublicInbox::Daemon;
-        my $var = PublicInbox::Daemon::SO_ACCEPTFILTER();
-        my $x = getsockopt($sock, SOL_SOCKET, $var);
+        ok(defined($PublicInbox::Daemon::SO_ACCEPTFILTER),
+                'SO_ACCEPTFILTER defined');
+        my $x = getsockopt($sock, SOL_SOCKET,
+                        $PublicInbox::Daemon::SO_ACCEPTFILTER);
         like($x, qr/\Ahttpready\0+\z/, 'got httpready accf for HTTP');
 };