searchview: fix uninitialized variable

Seems harmless, but noise in logs is not good.

diff --git a/lib/PublicInbox/SearchView.pm b/lib/PublicInbox/SearchView.pm
index 8e33079f1f5d1e100e91aef0242779c764f1f1ab..07fef40ccccc42b34f46da8c83add5bbf1d79a72 100644 (file)
--- 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;