Sigh.  Here's one that's not corrupted.  And for the record:


This changes the microsecond RTT sampling so that samples are taken in 
the same way that RTT samples are taken for the RTO calculator: on the 
last segment acknowledged, and only when the segment hasn't been 
retransmitted.


Signed-off-by: John Heffner <jheffner@psc.edu>