catchunks: switch to RttEstimatorWithStats

Refs: #4887
Change-Id: I8d49eff6ff4a7dc9ff49ffacc0744e50695128d2
diff --git a/tools/chunks/catchunks/pipeline-interests-cubic.cpp b/tools/chunks/catchunks/pipeline-interests-cubic.cpp
index 414cc8a..a68c9db 100644
--- a/tools/chunks/catchunks/pipeline-interests-cubic.cpp
+++ b/tools/chunks/catchunks/pipeline-interests-cubic.cpp
@@ -32,7 +32,7 @@
 
 constexpr double CUBIC_C = 0.4;
 
-PipelineInterestsCubic::PipelineInterestsCubic(Face& face, RttEstimator& rttEstimator,
+PipelineInterestsCubic::PipelineInterestsCubic(Face& face, RttEstimatorWithStats& rttEstimator,
                                                const Options& options)
   : PipelineInterestsAdaptive(face, rttEstimator, options)
   , m_cubicOptions(options)