Warning removal

[u/mrichter/AliRoot.git] / TPC / AliTPCcalibDButil.cxx

diff --git a/TPC/AliTPCcalibDButil.cxx b/TPC/AliTPCcalibDButil.cxx
index 951563087a5c8ab9f9c6f1157a89b10d8c85bb02..08311204530d85cec921ca9135c7ad5073166034 100644 (file)
--- a/TPC/AliTPCcalibDButil.cxx
+++ b/TPC/AliTPCcalibDButil.cxx
@@ -2523,7 +2523,7 @@ void AliTPCcalibDButil::FilterTracks(Int_t run, Double_t cutSigma, TTreeSRedirec
   Double_t medianY=0;
   if (!arrT) return;
   for (Int_t i=0; i<arrT->GetEntries();i++){
-    TGraphErrors *graph= (TGraphErrors*)arrT->At(i);
+    TGraphErrors *graph= dynamic_cast<TGraphErrors*>(arrT->At(i));
     if (!graph) continue;
     if (graph->GetN()<kMinPoints){
       delete graph;