Set charge-array to zero if old class version was read.

diff --git a/STEER/AliTrackPointArray.cxx b/STEER/AliTrackPointArray.cxx
index 2c4774866664d0d740fc4297c638daaffab912cc..ffe68520e3b805a13587e4afab6fe80200ffb64f 100644 (file)
--- a/STEER/AliTrackPointArray.cxx
+++ b/STEER/AliTrackPointArray.cxx
@@ -89,7 +89,11 @@ AliTrackPointArray::AliTrackPointArray(const AliTrackPointArray &array):
   memcpy(fX,array.fX,fNPoints*sizeof(Float_t));
   memcpy(fY,array.fY,fNPoints*sizeof(Float_t));
   memcpy(fZ,array.fZ,fNPoints*sizeof(Float_t));
-  memcpy(fCharge,array.fCharge,fNPoints*sizeof(Float_t));
+  if (array.fCharge) {
+    memcpy(fCharge,array.fCharge,fNPoints*sizeof(Float_t));
+  } else {
+    memset(fCharge, 0, fNPoints*sizeof(Float_t));
+  }
   memcpy(fVolumeID,array.fVolumeID,fNPoints*sizeof(UShort_t));
   memcpy(fCov,array.fCov,fSize*sizeof(Float_t));
 }