fix once-per-job leak in LArCoverage.cxx

Fixes ATLASDQ-836

This merge request affects 1 package:

• LArCalorimeter/LArMonTools

This merge request affects 2 files:

• LArCalorimeter/LArMonTools/src/LArCoverage.cxx
• LArCalorimeter/LArMonTools/src/LArCoverage.h

Adding @pavol as watcher

added JetEtmiss LAr master review-pending-level-1 labels

mentioned in merge request !39603 (merged)

CI Result SUCCESS (hash a45fcc1d)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 26074]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 2b6839e2

added sweep:ignore label