Specify this

Author: sbaldu

include/CLUEstering/data_structures/detail/PointsDevice.hpp

@@ -181,7 +181,7 @@ namespace clue {
     assert(m_clustered &&
            "The points have to be clustered before the cluster properties can be accessed");
     if (!m_nclusters.has_value()) {
-      auto cluster_ids = clusterIndexes();
+      auto cluster_ids = this->clusterIndexes();
       m_nclusters = internal::algorithm::reduce(cluster_ids.begin(),
                                                 cluster_ids.end(),
                                                 std::numeric_limits<int32_t>::lowest(),