Adjust LISTEN_PID for reexec in varlink mode

[haraldh]

Because the varlink server honors the socket activation protocol,
LISTEN_PID has to be adjusted with the new PID.

https://varlink.org/FAQ.html#how-does-socket-activation-work
Signed-off-by: Harald Hoyer [email protected]

[openshift-ci-robot]

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[rh-atomic-bot]

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[vrothberg]

bot, add author to whitelist

[giuseppe]

LGTM

[rhatdan]

/lgtm

[baude]

/approved

[baude]

/approve

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: baude, haraldh

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