Fix xml printing of nodes with no children
Fix xml printing of nodes with no children

handsome-feng/flatpak,handsome-feng/flatpak,matthiasclasen/xdg-app,amigadave/flatpak,amigadave/flatpak,matthiasclasen/flatpak,amigadave/flatpak,matthiasclasen/flatpak,alexlarsson/xdg-app,amigadave/flatpak,matthiasclasen/xdg-app,handsome-feng/flatpak,GeorgesStavracas/flatpak,matthiasclasen/xdg-app,matthiasclasen/flatpak,flatpak/flatpak,alexlarsson/xdg-app,GeorgesStavracas/flatpak,matthiasclasen/flatpak,alexlarsson/xdg-app,matthiasclasen/xdg-app,matthiasclasen/flatpak,GeorgesStavracas/flatpak,flatpak/flatpak,flatpak/flatpak,GeorgesStavracas/flatpak,alexlarsson/xdg-app,flatpak/flatpak,handsome-feng/flatpak,handsome-feng/flatpak,GeorgesStavracas/flatpak,flatpak/flatpak