- channel.c:channel_do_join(): use chptr->chname if we know the channel exists


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/branches/8.2.x@3939 82007160-df01-0410-b94d-b575c5fd34c7
- Renamed set_channel_topic() to channel_set_topic()


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/branches/8.2.x@3940 82007160-df01-0410-b94d-b575c5fd34c7