[Merge] lp:~nteodosio/libdbusmenu/trunk into lp:libdbusmenu

[Nathan Teodosio]

Fixes failing test[1].

[1]: https://launchpadlibrarian.net/625439356/buildlog_ubuntu-kinetic-armhf.libdbusmenu_16.04.1+18.10.20180917-0ubuntu8_BUILDING.txt.gz
-- 
https://code.launchpad.net/~nteodosio/libdbusmenu/trunk/+merge/430680
Your team DBus Menu Team is requested to review the proposed merge of lp:~nteodosio/libdbusmenu/trunk into lp:libdbusmenu.