searchview: fix uninitialized variable

Seems harmless, but noise in logs is not good.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/PublicInbox/SearchView.pm b/lib/PublicInbox/SearchView.pm
index 8e33079f..07fef40c 100644
--- a/lib/PublicInbox/SearchView.pm
+++ b/lib/PublicInbox/SearchView.pm
@@ -34,7 +34,7 @@ sub sres_top_html {
                 return PublicInbox::WWW::need($ctx, 'Search');
         my $q = PublicInbox::SearchQuery->new($ctx->{qp});
         my $x = $q->{x};
-        my $o = $q->{o};
+        my $o = $q->{o} // 0;
         my $asc;
         if ($o < 0) {
                 $asc = 1;