altos: Declare ao_delay_until API in ao.h
authorKeith Packard <keithp@keithp.com>
Sat, 20 Jun 2020 22:15:35 +0000 (15:15 -0700)
committerKeith Packard <keithp@keithp.com>
Sat, 8 Aug 2020 03:30:11 +0000 (20:30 -0700)
This uses AO_TICK_TYPE which isn't defined until we get to ao.h

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

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