hvc_console: Add __init and __exit to hvc_vio

Trivial patch which adds the __init/__exit macros to the module_init/
module_exit functions of char/hvc_vio.c

Please have a look at the small patch and either pull it through
your tree, or please ack' it so Jiri can pull it through the trivial tree.

linux version 2.6.31-rc6 - linus git tree, Do 20. Aug 22:26:06 CEST 2009
Signed-off-by: NPeter Huewe <peterhuewe@gmx.de>
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>

drivers/char/hvc_vio.c

@@ -120,7 +120,7 @@ static struct vio_driver hvc_vio_driver = {
 	}
 };
 
-static int hvc_vio_init(void)
+static int __init hvc_vio_init(void)
 {
 	int rc;
 
@@ -134,7 +134,7 @@ static int hvc_vio_init(void)
 }
 module_init(hvc_vio_init); /* after drivers/char/hvc_console.c */
 
-static void hvc_vio_exit(void)
+static void __exit hvc_vio_exit(void)
 {
 	vio_unregister_driver(&hvc_vio_driver);
 }