actuall delete the host from the table

hbd

@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# $Id: hbd,v 1.16 2007/04/05 15:51:13 andreas Exp $
+# $Id: hbd,v 1.17 2007/07/11 19:50:06 andreas Exp $
 # Wait for heartbeat messages and act on them (or their absence)
 #
 import time, os, string, sys, socket, atexit, select, SocketServer, getopt, signal, cPickle
@@ -266,7 +266,8 @@ def fromaddr(name, addr, boot, interval):
 	host=hosts[name]
 	if host.addr != addr:
 		log("%s changed address to %s" % (host.name, addr))
-		del htab[host.addr]
+		if htab.has_key(host.addr):
+			del htab[host.addr]
 		host.addr=addr
 		htab[addr]=name