search_query: fix warnings on bogus `o=' query param

Users may specify non-numeric values for the `o' parameter
which won't be captured.  Avoid uninitialized variable warnings
by assuming `0' when no numeric value is specified.

diff --git a/lib/PublicInbox/SearchQuery.pm b/lib/PublicInbox/SearchQuery.pm
index e0127deae851a1cab7e6029941c37b0f5c9e0c79..b420f1258f57345a7ca2065f7cf374492694f66b 100644 (file)
--- a/lib/PublicInbox/SearchQuery.pm
+++ b/lib/PublicInbox/SearchQuery.pm
@@ -22,7 +22,7 @@ sub new {
        bless {
                q => $q,
                x => $qp->{x} || '',
-               o => $o,
+               o => $o // 0,
                l => $l,
                r => (defined $r && $r ne '0'),
                t => (defined $t && $t ne '0'),