message: fix mass cut
diff: @@ -1689,8 +1689,8 @@ void AliAnalysisTaskXi1530::FillTracks() {
  continue;
  // Mass window
  - double massEXO = vecsum2.M();
  - if (abs(massEXO - massXi1530) > 0.05)
  + double mXi1530 = vecsum.M();
  + if (abs(mXi1530 - massXi1530) > 0.05)
  continue;
  int sign2 = kData;
  @@ -2005,8 +2005,8 @@ void AliAnalysisTaskXi1530::FillTracks() {
  continue;
  // Mass window
  - double massEXO = vecsum2.M();
  - if (abs(massEXO - massXi1530) > 0.05)
  + double mXi1530 = vecsum.M();
  + if (abs(mXi1530 - massXi1530) > 0.05)
  continue;
  int sign2 = kMixing;
  @@ -2363,8 +2363,8 @@ void AliAnalysisTaskXi1530::FillTracksAOD() {
  continue;
  // Mass window
  - double massEXO = vecsum2.M();
  - if (abs(massEXO - massXi1530) > 0.05)
  + double mXi1530 = vecsum.M();
  + if (abs(mXi1530 - massXi1530) > 0.05)
  continue;
  int sign2 = kData;
  @@ -2674,8 +2674,8 @@ void AliAnalysisTaskXi1530::FillTracksAOD() {
  continue;
  // Mass window
  - double massEXO = vecsum2.M();
  - if (abs(massEXO - massXi1530) > 0.05)
  + double mXi1530 = vecsum.M();
  + if (abs(mXi1530 - massXi1530) > 0.05)
  continue;
  int sign2 = kMixing;
  