mbox: do not barf on queries which return no results

Having zero search results means we never get a chance
to populate the Content-Disposition header for mbox
downloads.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/PublicInbox/SearchView.pm b/lib/PublicInbox/SearchView.pm
index 219006a0..1c4442e4 100644
--- a/lib/PublicInbox/SearchView.pm
+++ b/lib/PublicInbox/SearchView.pm
@@ -22,6 +22,7 @@ sub mbox_results {
         my ($ctx) = @_;
         my $q = PublicInbox::SearchQuery->new($ctx->{qp});
         my $x = $q->{x};
+        require PublicInbox::Mbox;
         return PublicInbox::Mbox::mbox_all($ctx, $q->{'q'}) if $x eq 'm';
         sres_top_html($ctx);
 }