Here is a patch that *might* be right. Unfortunately, it seems that
all tftp servers I could find do not properly handle uploading with
OACK. Or, there is the very real possibility that my code is broken.

Please consider this for review...I haven't actually successfully
got curl to upload yet, but at least based on packet sniffing, it
*seems* to be doing the right thing.

Thanks,
Ben

-- 
Ben Greear <greearb_at_candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

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