scp: Problem when source and destination are identical

[Florian Weimer]

Markus Friedl <markus.friedl at informatik.uni-erlangen.de> writes:

> this restores the rcp behaviour.

Looks good.  I think it's even faster because the file system can use
already allocated blocks.

-- 
Florian Weimer 	                  Florian.Weimer at RUS.Uni-Stuttgart.DE
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