v2writable: use {inboxdir} for msgmap->tmp_clone

Otherwise, a user is more likely to remove the msgmap-XXXXXXXX
SQLite file from $TMPDIR and cause SQLite to error out.

1 files changed, 1 insertions, 1 deletions

diff --git a/t/msgmap.t b/t/msgmap.t
index 1d7d1e87..437e106e 100644
--- a/t/msgmap.t
+++ b/t/msgmap.t
@@ -60,7 +60,7 @@ my $orig = $d->mid_insert('spam@1');
 $d->mid_delete('spam@1');
 is($d->mid_insert('spam@2'), 1 + $orig, "last number not recycled");
 
-my $tmp = $d->tmp_clone;
+my $tmp = $d->tmp_clone($tmpdir);
 is_deeply([$d->minmax], [$tmp->minmax], 'Cloned temporary DB matches');
 ok($tmp->mid_delete('spam@2'), 'temporary DB is writable');