TRT_G4Utilities: Fix cppcheck warning.

Use std::to_string rather than reimplementing it here. In passing, fixes a cppcheck warning.

This merge request affects 1 package:

• InnerDetector/InDetG4/TRT_G4Utilities

This merge request affects 1 file:

• InnerDetector/InDetG4/TRT_G4Utilities/src/TRTUtilities.cc

Adding @cgrefe ,@calfayan ,@sroe ,@goetz as watchers

added InnerDetector Simulation master review-pending-level-1 labels

CI Result SUCCESS (hash 59512cce)

	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 30090]

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

Approved. I quickly checked on lxr and I don't see this function actually used anywhere, so perhaps one of the experts can consider just deleting it? Tom - L1 shifter

merged

mentioned in commit 43b9a5a7

added sweep:ignore label