This bug was fixed in the package indicator-sound-gtk2 - 12.10.0.1-0ubuntu5.17.04.1
--------------- indicator-sound-gtk2 (12.10.0.1-0ubuntu5.17.04.1) zesty; urgency=medium
* Add compatibility for Lubuntu (LP: #1708619).
-- Simon Quigley <email address hidden> Fri, 04 Aug 2017 06:30:37 -0500
This bug was fixed in the package indicator- sound-gtk2 - 12.10.0. 1-0ubuntu5. 17.04.1
--------------- sound-gtk2 (12.10. 0.1-0ubuntu5. 17.04.1) zesty; urgency=medium
indicator-
* Add compatibility for Lubuntu (LP: #1708619).
-- Simon Quigley <email address hidden> Fri, 04 Aug 2017 06:30:37 -0500