altos: Eliminate stdio looping when system has a single stdio source
authorKeith Packard <keithp@keithp.com>
Tue, 23 Apr 2013 01:27:52 +0000 (20:27 -0500)
committerKeith Packard <keithp@keithp.com>
Wed, 8 May 2013 03:16:53 +0000 (20:16 -0700)
No need to loop if there's only one

Signed-off-by: Keith Packard <keithp@keithp.com>

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