[or-cvs] fix a seg fault when a single directory authority hears about

[arma@xxxxxxxx]

Update of /home/or/cvsroot/tor/src/or
In directory moria:/home/arma/work/onion/tor-011x/tor/src/or

Modified Files:
      Tag: tor-0_1_1-patches
	routerlist.c 
Log Message:
fix a seg fault when a single directory authority hears about
its first server.


Index: routerlist.c
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/routerlist.c,v
retrieving revision 1.499.2.5
retrieving revision 1.499.2.6
diff -u -p -d -r1.499.2.5 -r1.499.2.6
--- routerlist.c	9 May 2006 09:48:56 -0000	1.499.2.5
+++ routerlist.c	9 Jun 2006 06:51:51 -0000	1.499.2.6
@@ -3646,6 +3646,8 @@ router_have_minimum_dir_info(void)
   SMARTLIST_FOREACH(networkstatus_list, networkstatus_t *, ns,
                     tot += routerstatus_count_usable_entries(ns->entries));
   avg = tot / n_ns;
+  if (!routerstatus_list)
+    routerstatus_list = smartlist_create();
   SMARTLIST_FOREACH(routerstatus_list, local_routerstatus_t *, rs,
      {
        if (rs->status.is_running)