Make the socket address can be reused.

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/parkinglot@544 e5f2f494-b856-4b98-b285-d166d9295462

src/bin/cmd-ctrld/cmd-ctrld.py

@@ -176,6 +176,8 @@ class CommandControl():
 
 
 class SecureHTTPServer(http.server.HTTPServer):
+    '''Make the server address can be reused.'''
+    allow_reuse_address = True
 
     def __init__(self, server_address, RequestHandlerClass):
         http.server.HTTPServer.__init__(self, server_address, RequestHandlerClass)