TileRecUtils: Enable thread-safety checking.

Enable thread-safety checking. Fix resulting warnings.

This merge request affects 1 package:

• TileCalorimeter/TileRecUtils

Adding @pavol ,@solodkov ,@harkusha as watchers

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

CI Result SUCCESS (hash 79c22475)

	Athena	AthSimulation	AthGeneration	AnalysisBase
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 21900]

added review-pending-level-2 label and removed review-pending-level-1 label

Changes look reasonable, but asking L2 to take a look as I don't have much experience with multi-threading.

Cheers Nathan (L1)

added review-approved label and removed review-pending-level-2 label

merged

mentioned in commit eed7913d

added sweep:ignore label