connection: use a hash table to store aliases
connection: use a hash table to store aliases

tp_handle_{set,get}_qdata has been deprecated.

https://bugs.freedesktop.org/show_bug.cgi?id=64122

freedesktop-unofficial-mirror/telepathy__telepathy-idle,freedesktop-unofficial-mirror/telepathy__telepathy-idle,freedesktop-unofficial-mirror/telepathy__telepathy-idle