imaptracker: update_last: simplify callers

By making it a no-op if last_uid is not defined.  This isn't a
hot code path, so the extra method dispatch isn't an issue.
It'll save some indentation/wrapping in future commits.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/WatchMaildir.pm b/lib/PublicInbox/WatchMaildir.pm
index 78aec8a2..a227a6fd 100644
--- a/lib/PublicInbox/WatchMaildir.pm
+++ b/lib/PublicInbox/WatchMaildir.pm
@@ -494,7 +494,7 @@ sub imap_fetch_all ($$$) {
                         last if $self->{quit};
                 }
                 _done_for_now($self);
-                $itrk->update_last($r_uidval, $last_uid) if defined $last_uid;
+                $itrk->update_last($r_uidval, $last_uid);
         } until ($err || $self->{quit});
         $err;
 }
@@ -919,7 +919,7 @@ sub nntp_fetch_all ($$$) {
                 $last_art = $art;
         }
         _done_for_now($self);
-        $itrk->update_last(0, $last_art) if defined $last_art;
+        $itrk->update_last(0, $last_art);
         $err;
 }