ChannelManagerIface: replace _near_future[3] with 3 specific _reserved fields
ChannelManagerIface: replace _near_future[3] with 3 specific _reserved fields

Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib