mcd_account_check_parameters: don't assume that borrowed parameters remain valid
mcd_account_check_parameters: don't assume that borrowed parameters remain valid

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