[ARM] 4411/1: KS8695: Another serial driver fix

Fix a error reported by newer versions of GCC.
error: static declaration of 'ks8695_reg' follows non-static declaration
Signed-off-by: NAndrew Victor <andrew@sanpeople.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

drivers/serial/serial_ks8695.c

@@ -589,7 +589,7 @@ static int __init ks8695_console_setup(struct console *co, char *options)
 	return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver ks8695_reg;
+static struct uart_driver ks8695_reg;
 
 static struct console ks8695_console = {
 	.name		= SERIAL_KS8695_DEVNAME,