lei: add missing LeiWatch lazy-load

I'm not sure if this class will actually be needed, but
we need to load it while we're using it.

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 4d5c61fe62bb6560c984900da0376416615c25b6..ea3ec0fec36ef7963b8aad218252d004b352bf9b 100644 (file)
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -1423,6 +1423,7 @@ sub refresh_watches {
                                ++$renames;
                        }
                        next if $watches->{$f}; # may be set to pause
+                       require PublicInbox::LeiWatch;
                        $watches->{$f} = PublicInbox::LeiWatch->new($f);
                        $seen{$f} = undef;
                        add_maildir_watch($cd, $cfg_f);