Old rcirc private message buffers should work again after reconnect

[Björn Lindström]

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Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

If i get disconnected from the server, and i reconnect to the same
channels, then i get to reuse my old buffers for those channels (and
this is good). But...i can't reuse my old private chat buffers. it says
"Process irc.freenode.net not running", even though it is (again).

In GNU Emacs 22.0.50.1 (i486-pc-linux-gnu)
 of 2005-12-21 on pacem, modified by Debian
configured using `configure '--build' 'i486-linux-gnu' '--host' 
'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' 
'--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' 
'--mandir=/usr/share/man' '--with-pop=yes' 
'--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/22.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/22.0.50/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/22.0.50/leim'
 '--with-x=no' 'CFLAGS=-DDEBIAN -g -Wno-pointer-sign -O2' 
'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu''

Major mode: rcirc