Please backport libopenmpt 0.2.7386~beta20.3-3 (universe) from zesty

[Nicholas Guriev]

Please backport libopenmpt 0.2.7386~beta20.3-3 (universe) from zesty to xenial, yakkety.

Reason for the backport:
========================
This is a dependency of a new version of ffmpeg.

Testing:
========
Mark off items in the checklist [X] as you test them, but please leave the checklist so that backporters can quickly evaluate the state of testing.

* xenial:
[X] Package builds without modification
[ ] libopenmpt0-dbgsym installs cleanly and runs
[ ] libopenmpt0 installs cleanly and runs
[ ] libopenmpt-dev installs cleanly and runs
[ ] libopenmpt-modplug-dev installs cleanly and runs
[ ] libopenmpt-modplug1-dbgsym installs cleanly and runs
[ ] libopenmpt-modplug1 installs cleanly and runs
[ ] openmpt123-dbgsym installs cleanly and runs
[ ] openmpt123 installs cleanly and runs
[ ] libopenmpt-doc installs cleanly and runs
* yakkety:
[ ] Package builds without modification
[ ] libopenmpt0-dbgsym installs cleanly and runs
[ ] libopenmpt0 installs cleanly and runs
[ ] libopenmpt-dev installs cleanly and runs
[ ] libopenmpt-modplug-dev installs cleanly and runs
[ ] libopenmpt-modplug1-dbgsym installs cleanly and runs
[ ] libopenmpt-modplug1 installs cleanly and runs
[ ] openmpt123-dbgsym installs cleanly and runs
[ ] openmpt123 installs cleanly and runs
[ ] libopenmpt-doc installs cleanly and runs

No reverse dependencies