sTGC_Digitization: Fix cppcheck warnings.

Pass class instances by const reference, not by value.

This merge request affects 1 package:

• MuonSpectrometer/MuonDigitization/sTGC_Digitization

This merge request affects 1 file:

• MuonSpectrometer/MuonDigitization/sTGC_Digitization/sTGC_Digitization/sTgcSimDigitData.h

Adding @jchapman ,@rosati ,@wleight ,@stavrop ,@egodden ,@jojungge as watchers

added Digitization MuonSpectrometer master review-pending-level-1 labels

CI Result SUCCESS (hash 5ded9a3e)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional 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 52296]

merged

mentioned in commit dbcbb340

added sweep:ignore label