eflowEventTPCnv: Fix thread-safety checker warnings.

Fix (disabled-by-default) warnings about calls to unchecked code.

This merge request affects 1 package:

• Reconstruction/eflowEventTPCnv

This merge request affects 10 files:

• Reconstruction/eflowEventTPCnv/test/eflowObjectCnv_p1_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectCnv_p2_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectCnv_p3_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectCnv_p4_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectCnv_p5_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectContainerCnv_p1_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectContainerCnv_p2_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectContainerCnv_p3_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectContainerCnv_p4_test.cxx
• Reconstruction/eflowEventTPCnv/test/eflowObjectContainerCnv_p5_test.cxx

Adding @goetz ,@mhodgkin as watchers

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

CI Result SUCCESS (hash 5f149b15)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
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 59324]

Changes look fine and CI is good. Approving. Clara (L1)

added review-approved label

removed review-pending-level-1 label

merged

mentioned in commit a00478f2

added sweep:ignore label