6984545: (fc) transferFrom does not throw NonReadableChannelException when target is size 0 and non-readable

[Alan Bateman]

Rémi Forax wrote:
> :
> Ok,
> fix for 6984545 is good.
Thanks, and thanks for bringing up the issue or other channel types when 
count==0. Although it has always been there then the possibility is 
likely to increase with jdk7 because of custom SeekableByteChannel 
implementations.

-Alan