altos/ao_stdio: use uint8_t for stdio index
authorKeith Packard <keithp@keithp.com>
Fri, 28 Jan 2022 22:13:53 +0000 (14:13 -0800)
committerKeith Packard <keithp@keithp.com>
Thu, 17 Feb 2022 01:26:49 +0000 (17:26 -0800)
commit3d276e01ba96e8174e590b101cc9ef002e6cb67b
treeadfdb4f58d2e7b7f26eaf96035e555e9e04c2d58
parent161f2a3aa7f7364c6d972df4199200828dfe3294
altos/ao_stdio: use uint8_t for stdio index

This makes type usage of this value consistent. Also fix another
-Wconversion warning.

Signed-off-by: Keith Packard <keithp@keithp.com>
src/kernel/ao.h
src/kernel/ao_stdio.c