We don't know the server's proper name until registration, so the test against
that isn't reliable. We shouldn't be able to receive messages from anyone else
until we're registered, so this should be safe.
This requires changing serversay() to accept the from name instead of the
from_server. While we're there, replace the use of alloca() with simpler
logic based on m_sprintf().
The old code would return "omain" rather than "domain" in this case.
Also remove unneccesary checks on the return value of get_server_itsname() -
this function already falls back to 'name' if 'itsname' isn't set yet.
This was noticed when /channel on a very large channel segfaulted.
git-svn-id: svn://svn.code.sf.net/p/bitchx/code/trunk@528 13b04d17-f746-0410-82c6-800466cd88b0
