[PATCH] remove compile warning from serial console initcall

[Martin J. Bligh]

This tiny patch removes the new compiler warning from my build - 
the new console_initcall mechanism seems to require int from
console_init ... I made serial8250_console_init look like con_init

diff -urpN -X /home/fletch/.diff.exclude 900-mjb2/drivers/serial/8250.c 999-serial_fix/drivers/serial/8250.c
--- 900-mjb2/drivers/serial/8250.c	Sat Mar  8 12:54:04 2003
+++ 999-serial_fix/drivers/serial/8250.c	Sat Mar  8 14:48:20 2003
@@ -1982,10 +1982,11 @@ static struct console serial8250_console
 	.index		= -1,
 };
 
-static void __init serial8250_console_init(void)
+static int __init serial8250_console_init(void)
 {
 	serial8250_isa_init_ports();
 	register_console(&serial8250_console);
+	return 0;
 }
 console_initcall(serial8250_console_init);