APT whitelist request for liblttng-ust-dev

[stsquad]

Used for the QEMU build.

[travisbot]

_This is an automated comment._

Ran tests and found setuid bits by purely textual search. Further analysis is required.

If these are found to be benign, examine http://github.com/travis-ci/apt-package-whitelist/compare/test-apt-package-whitelist-2258 and its PR.

Packages found: liblttng-ust0 liblttng-ust-ctl2 liblttng-ust-dev liblttng-ust-java liblttng-ust-java-jni liblttng-ust-agent-java liblttng-ust-agent-java-jni liblttng-ust-python-agent0 python3-lttngust

See https://travis-ci.org/travis-ci/apt-whitelist-checker/builds/102707965 for details.