searchidx: call "++" on PostingIterator instead of "->inc"

The "++" is not yet available in the SWIG-based "Xapian.pm" Perl
bindings, so use "++" where it's supported in both the XS
(Search::Xapian) and SWIG-based Xapian binding.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 926fac80..b56fd0ee 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -384,7 +384,7 @@ sub batch_do {
                 my ($head, $tail) = $self->find_doc_ids($termval);
                 return if $head == $tail;
                 my @ids;
-                for (; $head != $tail && @ids < $batch_size; $head->inc) {
+                for (; $head != $tail && @ids < $batch_size; $head++) {
                         push @ids, $head->get_docid;
                 }
                 $cb->(\@ids);
@@ -439,7 +439,7 @@ sub remove_by_oid {
         # there is only ONE element in @delete unless we
         # have bugs in our v2writable deduplication check
         my @delete;
-        for (; $head != $tail; $head->inc) {
+        for (; $head != $tail; $head++) {
                 my $docid = $head->get_docid;
                 my $doc = $db->get_document($docid);
                 my $smsg = PublicInbox::SearchMsg->wrap($mid);