Now iterating over all servers to avoid crashes on server_ischannel(),
which is a macro for server->ischannel(), so it dies horribly when it's
null. Doesn't help that IS_IRC_SERVER() always returns true on null.

lkundrak pushed a commit to lkundrak/irssi that referenced this pull request

Revert more of the netsplit print optimisation to fix crashes
(cherry picked from commit  cfcc021 )

jiongle1 pushed a commit to scantist-ossops-m2/irssi that referenced this pull request

Revert more of the netsplit print optimisation to fix crashes
(cherry picked from commit  cfcc021 )