[PATCH] lei_to_mail: avoid uninitialized vars for l2m_progress

[Eric Wong]

nr_write may be undef if nothing was written due to dedupe, but
with seen messages.
---
 lib/PublicInbox/LeiToMail.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index 98d0ac19..b9f28ee4 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -798,7 +798,7 @@ sub wq_atexit_child {
        $lei->{ale}->git->async_wait_all;
        my ($nr_w, $nr_s) = delete(@$lei{qw(-nr_write -nr_seen)});
        delete $self->{wcb};
-       $nr_s or return;
+       (($nr_w //= 0) + ($nr_s //= 0)) or return;
        return if $lei->{early_mua} || !$lei->{-progress} || !$lei->{pkt_op_p};
        $lei->{pkt_op_p}->pkt_do('l2m_progress', $nr_w, $nr_s);
 }