MuonG4SD: Comply with ATLAS naming conventions.

Private data members should start with m_.

This merge request affects 1 package:

• MuonSpectrometer/MuonG4/MuonG4SD

Adding @rosati ,@wleight as watchers

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

CI Result SUCCESS

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-20165-2019-01-04-01-34
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST 31923] (for remote access see the FAQ for MR reviewers)

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

merged

mentioned in commit 7cc89f29

added sweep:ignore label