Fix warnings in PID code (#316)

Author: njacazio

ALICE3/Core/TOFResoALICE3.h

@@ -39,7 +39,7 @@ class TOFResoALICE3 : public Parametrization
     }
 
     /** get info **/
-    const float time = x[1];
+    // const float time = x[1];
     const float evtimereso = x[2];
     const float mass = x[3];
     const float L = x[4];

Common/TableProducer/PID/pidBayes.cxx

@@ -313,7 +313,7 @@ struct bayesPid {
     }
     constexpr respTOF<pid> responseTOFPID;
 
-    const float pt = track.pt();
+    // const float pt = track.pt();
     float mismPropagationFactor[10] = {1., 1., 1., 1., 1., 1., 1., 1., 1., 1.};
     // In the O2 this cannot be done because the cluster information is missing in the AOD
     // if (!fNoTOFmism) {                                                                  // this flag allows to disable mismatch for iterative procedure to get prior probabilities
@@ -416,7 +416,7 @@ struct bayesPid {
     }
     if (sum <= 0) {
       LOG(warning) << "Invalid probability densities or prior probabilities";
-      for (int i = 0; i < Probability[kBayesian].size(); i++) {
+      for (long unsigned int i = 0; i < Probability[kBayesian].size(); i++) {
         Probability[kBayesian][i] = 1.f / Probability[kBayesian].size();
       }
       return;

Common/TableProducer/PID/pidTOF.cxx

@@ -293,7 +293,7 @@ struct tofPidQa {
         continue;
       }
 
-      const float tof = t.tofSignal() - collisionTime_ps;
+      // const float tof = t.tofSignal() - collisionTime_ps;
 
       //
       histos.fill(HIST("event/tofsignal"), t.p(), t.tofSignal());