irssi-invalid_free.patch

   1 after call of g_slist_remove() the `pos` points to released area,
   2 so dereferencing pos->data isn't acceptable.
   3
   4 --- irssi-0.8.10/src/irc/dcc/dcc.c.orig 2005-10-19 04:13:31.000000000 +0200
   5 +++ irssi-0.8.10/src/irc/dcc/dcc.c      2006-05-02 22:33:11.000000000 +0200
   6 @@ -55,11 +55,13 @@
   7  void dcc_unregister_type(const char *type)
   8  {
   9         GSList *pos;
  10 +       gpointer data;
  11
  12         pos = gslist_find_string(dcc_types, type);
  13         if (pos != NULL) {
  14 -                dcc_types = g_slist_remove(dcc_types, pos->data);
  15 -               g_free(pos->data);
  16 +               data = pos->data;
  17 +               dcc_types = g_slist_remove(dcc_types, data);
  18 +               g_free(data);
  19         }
  20  }
  21