correct resend timeout rule for request packet.  we should not reset timeout value every time we visit the head of select loop. XXX too many gettimeofday()
correct resend timeout rule for request packet.  we should not reset
timeout value every time we visit the head of select loop.
XXX too many gettimeofday()

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame