FPGATrackSimHough: Missing std:: qualifier.

Fix compilation with hepmc2.

This merge request affects 1 package:

• Trigger/EFTracking/FPGATrackSim/FPGATrackSimHough

This merge request affects 1 file:

• Trigger/EFTracking/FPGATrackSim/FPGATrackSimHough/src/FPGATrackSimGenScanBinning.cxx

added EFTracking Trigger main review-pending-level-1 labels

CI Result SUCCESS (hash be39d04e)

	Athena
externals
cmake
make
tests

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Athena: number of compilation errors 0, warnings 0
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removed review-pending-level-1 label

added review-approved label

mentioned in commit 643c72f3

merged