DPL: improve calling of the termination hook

[ktf]

No description provided.

[github-actions]

REQUEST FOR PRODUCTION RELEASES:
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[alibuild]

Error while checking build/O2/fullCI for ef4b2fe at 2025-01-09 22:06:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'

Full log here.

[ktf]

I have also tested the hook is still called correctly.