Fix channel remove

Channels are removed just like users, hence they have the same
problem as users had before: when channel is removed, links to it
must be updated. For users that was fixed[1], for users this commit
provides the fix.

[1] Commit where user quit was fixed -
63c0a8860459c0c9bf3b66d4d4ec631ece4bf56e

1 files changed, 1 insertions, 0 deletions

diff --git a/ircd.h b/ircd.h
index 2c4b144..8def73a 100644
--- a/ircd.h
+++ b/ircd.h
@@ -92,6 +92,7 @@ void user_remove(size_t pid);
 
 int channel_join(struct Channel *channel, struct Peer *peer);
 int channel_exit(struct Channel *channel, struct Peer *peer);
+void channel_remove(size_t cid);
 
 int parse_message(char *buf, struct Message *msg);
 int handle(struct Peer *peer);