Fix a bug in rsh that caused the remote process to hang waiting on input even if the '-n' flag to rsh is used.  The write side of the socket should be closed to allow the remote process to see EOF.
Fix a bug in rsh that caused the remote process to hang waiting on
input even if the '-n' flag to rsh is used.  The write side of the
socket should be closed to allow the remote process to see EOF.

Submitted by:  Brad Chisholm <sasblc@unx.sas.com>

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