src: Add more includes to ao.h

This makes sure altos has all of the C library definitions it needs
rather than on relying on the C library to expose more than POSIX
says it should.

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

diff --git a/src/kernel/ao.h b/src/kernel/ao.h
index b3f780f5c7609797c15c895e90b0fa965dcf1a44..0437cb07f3eb9929b680e4b4640b445d68414bbb 100644 (file)
--- a/src/kernel/ao.h
+++ b/src/kernel/ao.h
@@ -19,10 +19,11 @@
 #ifndef _AO_H_
 #define _AO_H_
 
-#include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include <string.h>
 #include <stddef.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #include <ao_pins.h>
 #include <ao_arch.h>