lei_to_mail: avoid uninitialized vars for l2m_progress

nr_write may be undef if nothing was written due to dedupe, but
with seen messages.

1 files changed, 1 insertions, 1 deletions

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);
 }