TrigMuonMonitoring: Fix clang warnings.

Binding to temporaries in range-for.

This merge request affects 1 package:

• Trigger/TrigMonitoring/TrigMuonMonitoring

This merge request affects 5 files:

• Trigger/TrigMonitoring/TrigMuonMonitoring/src/L1MuonMon.cxx
• Trigger/TrigMonitoring/TrigMuonMonitoring/src/L2MuonSAIOMon.cxx
• Trigger/TrigMonitoring/TrigMuonMonitoring/src/MuonMatchingTool.cxx
• Trigger/TrigMonitoring/TrigMuonMonitoring/src/MuonMatchingTool.icc
• Trigger/TrigMonitoring/TrigMuonMonitoring/src/TrigMuonTruthMon.cxx

added DQ Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 21206a68)

	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 1
AthSimulation: number of compilation errors 0, warnings 1
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 52409]

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

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

mentioned in commit 05af546d

merged

added sweep:ignore label