altos: packet and usb i/o routines use 'char', not 'uint8_t'

Just fixing the type of a local variable holding a character
passed from the packet link to usb.

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

diff --git a/src/ao_packet_master.c b/src/ao_packet_master.c
index 0808bc80af419c68efbfa4f8869eb8526bef634a..5f79885c3a4fad5085a7318703245a72520eef30 100644 (file)
--- a/src/ao_packet_master.c
+++ b/src/ao_packet_master.c
@@ -35,7 +35,7 @@ ao_packet_getchar(void) __critical
 static void
 ao_packet_echo(void) __reentrant
 {
-       uint8_t c;
+       char    c;
        while (ao_packet_enable) {
                c = ao_packet_getchar();
                if (c != AO_READ_AGAIN)