23.0-coverity-LArByteStream
[minor] avoid possible resource leak upon abnormal return; coverity defect 18971, https://atlas-coverity.cern.ch/reports.htm#v10324/p10002/fileInstanceId=12778131&defectInstanceId=150617&mergedDefectId=18971
[minor] avoid possible resource leak upon abnormal return; coverity defect 18971, https://atlas-coverity.cern.ch/reports.htm#v10324/p10002/fileInstanceId=12778131&defectInstanceId=150617&mergedDefectId=18971