Fix typo s/ACCOUNT/CHANNEL/ on TP_STRUCT_TYPE_CHANNEL_DETAILS
Fix typo s/ACCOUNT/CHANNEL/ on TP_STRUCT_TYPE_CHANNEL_DETAILS

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