Sweeping !24379 from master to 21.3. TrigFTKSim: Fix compilation warnings.

TrigFTKSim: Fix compilation warnings.

See merge request !24379 (merged)

added sweep:from master label

Adding original author @ssnyder as watcher.

restored source branch cherry-pick-b340f44b33-21.3

This merge request affects 1 package:

• Trigger/TrigFTK/TrigFTKSim

Adding @benhoob ,@jahreda ,@karolos ,@mswiatlo ,@jkuechle as watchers

added 21.3 Trigger review-pending-level-1 labels

CI Result SUCCESS

	Athena
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-24396-2019-06-23-07-08
Athena: number of compilation errors 0, warnings 163
For experts only: Jenkins output [CI-MERGE-REQUEST 39646]

Sweep. The 21.3 compiler warnings in this package are unrelated to this change. Approving. Tim (L2)

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

merged

mentioned in commit 0d44e537

added sweep:ignore label

mentioned in merge request !26017 (merged)

mentioned in commit e5917b77