chunks: AIMD congestion control

refs #3636

Change-Id: Ia5e601201219048eb5c745bba9627e4916dac31a
diff --git a/tools/chunks/catchunks/pipeline-interests.hpp b/tools/chunks/catchunks/pipeline-interests.hpp
index 63d714d..8921407 100644
--- a/tools/chunks/catchunks/pipeline-interests.hpp
+++ b/tools/chunks/catchunks/pipeline-interests.hpp
@@ -119,6 +119,8 @@
   Name m_prefix;
   uint64_t m_lastSegmentNo;
   uint64_t m_excludedSegmentNo;
+
+PUBLIC_WITH_TESTS_ELSE_PROTECTED:
   bool m_hasFinalBlockId; ///< true if the last segment number is known
 
 private: