if we got cancelled, the message is floating, so free it. (struct

if we got cancelled, the message is floating, so free it. (struct

2003-06-18  Not Zed  <NotZed@Ximian.com>

        * camel-service.c (get_hostbyaddr, get_hostbyname): if we got
        cancelled, the message is floating, so free it.
        (struct _lookup_msg): Add a cancelled tag.
        (camel_gethostbyname, camel_gethostbyaddr): if we get a
        failure/cancel, cancel the lookup thread and detach, so we dont
        have to wait for it to return.  cleanup changed to handle the case
        where we didn't get a reply message.