v2writable: cleanup SQLite handles on --xapian-only

I'm not sure exactly why this is needed with run_script
localizing %SIG and everything else, but explictly cleaning up
seems to fix the occasional test failures I see.

Followup-to: 4c6c853494b49368 ("tests: show lsof output on deleted-file-check failures")

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 03590850..4130a472 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -1323,6 +1323,7 @@ sub xapian_only {
                 }
         }
         $self->git->cat_async_wait;
+        $self->{ibx}->cleanup;
         $self->done;
 }