Update LumiFDDFT0.cxx

Author: arvindkhuntia

PWGMM/Lumi/Tasks/LumiFDDFT0.cxx

@@ -229,6 +229,7 @@ struct LumiFDDFT0 {
     o2::conf::ConfigurableParam::updateFromString(
       "pvertexer.useMeanVertexConstraint=false"); // we want to refit w/o
                                                   // MeanVertex constraint
+    
     vertexer.init();
     bool PVrefit_doable = vertexer.prepareVertexRefit(vec_TrkContributos, Pvtx);
     double chi2 = -1.;