altos: Add default button return value from ao_button_get
authorKeith Packard <keithp@keithp.com>
Sat, 21 Dec 2013 06:45:01 +0000 (22:45 -0800)
committerKeith Packard <keithp@keithp.com>
Sat, 21 Dec 2013 06:45:01 +0000 (22:45 -0800)
This "can't" happen, but it's not unreasonable to have a default
return value.

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

No differences found