Fix magic number warning

Author: ddobrigk

Common/Tasks/integrationTest.cxx

@@ -63,7 +63,8 @@ struct integrationTest {
                     kTrackUsedDecay3Body,
                     kTrackUsedTrackedV0,
                     kTrackUsedTrackedCascade,
-                    kTrackUsedQA };
+                    kTrackUsedQA,
+                    kNTrackTypes}; 
 
   enum kTable { kBC = 0,
                 kBCFlag,
@@ -220,10 +221,10 @@ struct integrationTest {
           "QA"};
 
       // construct labels to make this plot easier to understand
-      for (uint8_t i = 0; i < 64; i++) {
-        TString trackTypeString = "";
-        for (uint8_t j = 0; j < kTrackUsedQA + 1; j++) {
-          if (((i) & (1 << (j)))) {
+      for(uint8_t i=0; i<(1 << kNTrackTypes); i++){ 
+         TString trackTypeString = ""; 
+         for(uint8_t j=0; j<kTrackUsedQA+1; j++){
+          if( ((i) & (1<<(j))) ){
             trackTypeString.Append(Form("%s ", kTrackTypeNames[j].Data()));
           }
         }