McdAccount: set_parameter: ref the account across the gnome-keyring call
McdAccount: set_parameter: ref the account across the gnome-keyring call

Otherwise, the account won't necessarily still be there when we return...

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