fd.o #32718: return InvalidHandle if calling to self or anonymous handle
fd.o #32718: return InvalidHandle if calling to self or anonymous handle

jpoutiai/telepathy-ring,jpoutiai/telepathy-ring,matthewvogt/telepathy-ring,matthewvogt/telepathy-ring,jpoutiai/telepathy-ring,maemo-foss/meego-cellular-telepathy-ring,maemo-foss/meego-cellular-telepathy-ring,matthewvogt/telepathy-ring,maemo-foss/meego-cellular-telepathy-ring,freedesktop-unofficial-mirror/telepathy__telepathy-ring,freedesktop-unofficial-mirror/telepathy__telepathy-ring,freedesktop-unofficial-mirror/telepathy__telepathy-ring