info: Fix leak
info: Fix leak

We have to free the return value of flatpak_deploy_get_dir.

Closes: #1964
Approved by: mwleeds

flatpak/flatpak,flatpak/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak,matthiasclasen/flatpak