spawn: allow passing GLOB handles for redirects

We can save callers the trouble of {-hold} and {-dev_null}
refs as well as the trouble of calling fileno().

1 files changed, 1 insertions, 1 deletions

diff --git a/t/spawn.t b/t/spawn.t
index 2e409157..c31c4f19 100644
--- a/t/spawn.t
+++ b/t/spawn.t
@@ -31,7 +31,7 @@ use PublicInbox::Spawn qw(which spawn popen_rd);
         my ($r, $w);
         pipe $r, $w or die "pipe failed: $!";
         my $pid = spawn(['sh', '-c', 'echo $HELLO'],
-                { 'HELLO' => 'world' }, { 1 => fileno($w) });
+                { 'HELLO' => 'world' }, { 1 => $w });
         close $w or die "close pipe[1] failed: $!";
         is(<$r>, "world\n", 'read stdout of spawned from pipe');
         is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');