Do small corrections on lmvm analysis and apply clang format

analysis/PWGDIL/dielectron/lmvm/CbmAnaDielectronTask.cxx

@@ -2666,13 +2666,22 @@ void CbmAnaDielectronTask::Finish()
 void CbmAnaDielectronTask::SetEnergyAndPlutoParticle(const string& energy, const string& particle)
 {
   // names of particles in common production differ from our names
-  if (particle == "rho0") particle == "inmed";  // or "inmed_had_epem"??
-  else if (particle == "wdalitz")
-    particle == "omegadalitz";
-  else if (particle == "w")
-    particle == "omegaepem";
-  else if (particle == "qgp_epem")
-    particle == "qgp";
+  if (particle == "rho0") {
+	  this->SetEnergyAndPlutoParticle(energy, "inmed");
+	  return;
+  }
+  else if (particle == "wdalitz") {
+	  this->SetEnergyAndPlutoParticle(energy, "omegadalitz");
+	  return;
+  }
+  else if (particle == "w") {
+	  this->SetEnergyAndPlutoParticle(energy, "omegaepem");
+	  return;
+  }
+  else if (particle == "qgp_epem") {
+	  this->SetEnergyAndPlutoParticle(energy, "qgp");
+	  return;
+  }
 
   // Au+Au centr old scaling factors
   /* if (energy == "8gev" || energy == "10gev") {

analysis/PWGDIL/dielectron/lmvm/CbmAnaDielectronTaskDrawAll.cxx

@@ -1711,7 +1711,7 @@ void CbmAnaDielectronTaskDrawAll::CalcCombBGHistos()
     else if (step == kPtCut)
       cock = (TH1D*) GetCoctailMinv(kPtCut);
 
-    cock->Rebin(nRebin);
+    if (cock != NULL) cock->Rebin(nRebin);
     fh_mean_combSignalNpm_minv[step] = (TH1D*) fh_mean_bg_minv[step]->Clone();
     fh_mean_combSignalNpm_minv[step]->Add(cock);
     fh_mean_combSignalNpm_minv[step]->Add(fh_mean_combBg_minv[step], -1.);