Fix format string in location iterator unit test.
@@ -56,7 +56,7 @@ private:
void set_doc(IntegerAttribute *ia, uint32_t docid, const Position &p) {
ia->clearDoc(docid);
int64_t value = vespalib::geo::ZCurve::encode(p.first, p.second);
- LOG(debug, "single: value for docid %u is %zd", docid, value);
+ LOG(debug, "single: value for docid %u is %" PRId64, docid, value);
ia->update(docid, value);
ia->commit();
if (docid >= _positions.size()) {
