LArReadoutGeometry: Fix cppcheck warnings.

Fix cppcheck warnings.

This merge request affects 1 package:

• LArCalorimeter/LArGeoModel/LArReadoutGeometry

This merge request affects 2 files:

• LArCalorimeter/LArGeoModel/LArReadoutGeometry/src/FCALModule.cxx
• LArCalorimeter/LArGeoModel/LArReadoutGeometry/src/FCALTile.cxx

Adding @pavol as watcher

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

CI Result SUCCESS (hash a8ff348d)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
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
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 33398]

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

merged

mentioned in commit 5d06402d

added sweep:ignore label