Patch from Kir Kolyshkin <kir@openvz.org>
Fixes drivers/serial/sn_console.c compilation on IA64 using gcc4.

Without this patch, the following error occurs:

drivers/serial/sn_console.c:803: error: static declaration of 'sal_console_uart' follows non-static declaration
drivers/serial/sn_console.c:789: error: previous declaration of 'sal_console_uart' was here
make[2]: *** [drivers/serial/sn_console.o] Error 1


--- linux-2.6.9/drivers/serial/sn_console.c.gcc4	2006-11-08 15:19:28.000000000 +0300
+++ linux-2.6.9/drivers/serial/sn_console.c	2006-11-08 15:32:04.000000000 +0300
@@ -786,7 +786,7 @@
 
 static void sn_sal_console_write(struct console *, const char *, unsigned);
 static int __init sn_sal_console_setup(struct console *, char *);
-extern struct uart_driver sal_console_uart;
+static struct uart_driver sal_console_uart;
 extern struct tty_driver *uart_console_device(struct console *, int *);
 
 static struct console sal_console = {
