In the [unlikely] event the id key has the wrong type, don't leak the GValue
In the [unlikely] event the id key has the wrong type, don't leak the GValue

freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control